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wrote: > Hi Zi, > > FYI, the error/warning was bisected to this commit, please ignore it if= it's irrelevant. > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.= git master > head: fff5a5e7f528b2ed2c335991399a766c2cf01103 > commit: 0192445cb2f7ed1cd7a95a0fc8c7645480baba25 arch: mm: rename FORCE= _MAX_ZONEORDER to ARCH_FORCE_MAX_ORDER > date: 6 months ago > config: sparc64-buildonly-randconfig-r002-20230322 (https://download.01= =2Eorg/0day-ci/archive/20230323/202303231810.eJX8zyTf-lkp@intel.com/confi= g) Cc Mike, since he is working on ARCH_FORCE_MAX_ORDER. This random config sets CONFIG_ARCH_FORCE_MAX_ORDER to -1, causing this e= rror. I am not sure if we need to always set a range for ARCH_FORCE_MAX_O= RDER or random config generator should be changed to not use non-positive= values. BTW, this issue pre-exists my changes. > compiler: sparc64-linux-gcc (GCC) 12.1.0 > reproduce (this is a W=3D1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/s= bin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linu= x.git/commit/?id=3D0192445cb2f7ed1cd7a95a0fc8c7645480baba25 > git remote add linus https://git.kernel.org/pub/scm/linux/kerne= l/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout 0192445cb2f7ed1cd7a95a0fc8c7645480baba25 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-12.1.0 make.c= ross W=3D1 O=3Dbuild_dir ARCH=3Dsparc64 olddefconfig > COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-12.1.0 make.c= ross W=3D1 O=3Dbuild_dir ARCH=3Dsparc64 SHELL=3D/bin/bash arch/sparc/mm/ = drivers/base/regmap/ drivers/media/usb/em28xx/ > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > | Link: https://lore.kernel.org/oe-kbuild-all/202303231810.eJX8zyTf-lkp= @intel.com/ > > All error/warnings (new ones prefixed by >>): > > In file included from include/linux/gfp.h:7, > from include/linux/slab.h:15, > from arch/sparc/mm/tsb.c:9: > include/linux/mmzone.h:636:33: error: size of array 'free_area' is n= egative > 636 | struct free_area free_area[MAX_ORDER]; > | ^~~~~~~~~ > arch/sparc/mm/tsb.c: In function 'tsb_grow': >>> arch/sparc/mm/tsb.c:405:39: error: left shift count is negative [-Wer= ror=3Dshift-count-negative] > 405 | if (max_tsb_size > (PAGE_SIZE << MAX_ORDER)) > | ^~ > arch/sparc/mm/tsb.c:406:43: error: left shift count is negative [-We= rror=3Dshift-count-negative] > 406 | max_tsb_size =3D (PAGE_SIZE << MAX_ORDER); > | ^~ > cc1: all warnings being treated as errors > -- > In file included from include/linux/gfp.h:7, > from include/linux/slab.h:15, > from drivers/base/regmap/regmap-debugfs.c:9: > include/linux/mmzone.h:636:33: error: size of array 'free_area' is n= egative > 636 | struct free_area free_area[MAX_ORDER]; > | ^~~~~~~~~ > drivers/base/regmap/regmap-debugfs.c: In function 'regmap_read_debug= fs': >>> drivers/base/regmap/regmap-debugfs.c:229:32: warning: left shift coun= t is negative [-Wshift-count-negative] > 229 | if (count > (PAGE_SIZE << (MAX_ORDER - 1))) > | ^~ > drivers/base/regmap/regmap-debugfs.c:230:35: warning: left shift cou= nt is negative [-Wshift-count-negative] > 230 | count =3D PAGE_SIZE << (MAX_ORDER - 1); > | ^~ > drivers/base/regmap/regmap-debugfs.c: In function 'regmap_reg_ranges= _read_file': > drivers/base/regmap/regmap-debugfs.c:376:32: warning: left shift cou= nt is negative [-Wshift-count-negative] > 376 | if (count > (PAGE_SIZE << (MAX_ORDER - 1))) > | ^~ > drivers/base/regmap/regmap-debugfs.c:377:35: warning: left shift cou= nt is negative [-Wshift-count-negative] > 377 | count =3D PAGE_SIZE << (MAX_ORDER - 1); > | ^~ > -- > In file included from include/linux/gfp.h:7, > from include/linux/xarray.h:15, > from include/linux/radix-tree.h:21, > from include/linux/idr.h:15, > from include/linux/kernfs.h:12, > from include/linux/sysfs.h:16, > from include/linux/kobject.h:20, > from include/linux/of.h:17, > from include/linux/irqdomain.h:35, > from include/linux/acpi.h:13, > from include/linux/i2c.h:13, > from drivers/media/usb/em28xx/em28xx.h:22, > from drivers/media/usb/em28xx/em28xx-audio.c:14: > include/linux/mmzone.h:636:33: error: size of array 'free_area' is n= egative > 636 | struct free_area free_area[MAX_ORDER]; > | ^~~~~~~~~ > drivers/media/usb/em28xx/em28xx-audio.c: In function 'em28xx_audio_i= nit': >>> drivers/media/usb/em28xx/em28xx-audio.c:808:29: warning: variable 'de= vnr' set but not used [-Wunused-but-set-variable] > 808 | static int devnr; > | ^~~~~ > drivers/media/usb/em28xx/em28xx-audio.c: At top level: > drivers/media/usb/em28xx/em28xx-audio.c:47:12: warning: 'index' defi= ned but not used [-Wunused-variable] > 47 | static int index[SNDRV_CARDS] =3D SNDRV_DEFAULT_IDX; > | ^~~~~ > > > vim +405 arch/sparc/mm/tsb.c > > 0871420fad5844 arch/sparc/mm/tsb.c David S. Miller 2008-11-16 379 > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 380 /= * When the RSS of an address space exceeds tsb_rss_limit for a TSB, > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 381 = * do_sparc64_fault() invokes this routine to try and grow it. > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 382 = * > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 383 = * When we reach the maximum TSB size supported, we stick ~0UL into > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 384 = * tsb_rss_limit for that TSB so the grow checks in do_sparc64_fault() > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 385 = * will not trigger any longer. > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 386 = * > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 387 = * The TSB can be anywhere from 8K to 1MB in size, in increasing powers > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 388 = * of two. The TSB must be aligned to it's size, so f.e. a 512K TSB > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 389 = * must be 512K aligned. It also must be physically contiguous, so we > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 390 = * cannot use vmalloc(). > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 391 = * > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 392 = * The idea here is to grow the TSB when the RSS of the process approaches= > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 393 = * the number of entries that the current TSB can hold at once. Currently= , > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 394 = * we trigger when the RSS hits 3/4 of the TSB capacity. > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 395 = */ > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 396 v= oid tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long= rss) > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 397 {= > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 398 = unsigned long max_tsb_size =3D 1 * 1024 * 1024; > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 399 = unsigned long new_size, old_size, flags; > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 400 = struct tsb *old_tsb, *new_tsb; > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 401 = unsigned long new_cache_index, old_cache_index; > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 402 = unsigned long new_rss_limit; > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 403 = gfp_t gfp_flags; > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 404 > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 @405 = if (max_tsb_size > (PAGE_SIZE << MAX_ORDER)) > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 406 = max_tsb_size =3D (PAGE_SIZE << MAX_ORDER); > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 407 > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 408 = new_cache_index =3D 0; > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 409 = for (new_size =3D 8192; new_size < max_tsb_size; new_size <<=3D 1UL) { > 0871420fad5844 arch/sparc/mm/tsb.c David S. Miller 2008-11-16 410 = new_rss_limit =3D tsb_size_to_rss_limit(new_size); > 0871420fad5844 arch/sparc/mm/tsb.c David S. Miller 2008-11-16 411 = if (new_rss_limit > rss) > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 412 = break; > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 413 = new_cache_index++; > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 414 = } > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 415 > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 416 = if (new_size =3D=3D max_tsb_size) > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 417 = new_rss_limit =3D ~0UL; > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 418 > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 419 r= etry_tsb_alloc: > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 420 = gfp_flags =3D GFP_KERNEL; > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 421 = if (new_size > (PAGE_SIZE * 2)) > a55ee1ff751f88 arch/sparc/mm/tsb.c David S. Miller 2013-02-19 422 = gfp_flags |=3D __GFP_NOWARN | __GFP_NORETRY; > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 423 > 1f261ef53ba066 arch/sparc64/mm/tsb.c David S. Miller 2008-03-19 424 = new_tsb =3D kmem_cache_alloc_node(tsb_caches[new_cache_index], > 1f261ef53ba066 arch/sparc64/mm/tsb.c David S. Miller 2008-03-19 425 = gfp_flags, numa_node_id()); > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 426 = if (unlikely(!new_tsb)) { > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 427 = /* Not being able to fork due to a high-order TSB > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 428 = * allocation failure is very bad behavior. Just back > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 429 = * down to a 0-order allocation and force no TSB > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 430 = * growing for this address space. > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 431 = */ > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 432 = if (mm->context.tsb_block[tsb_index].tsb =3D=3D NULL && > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 433 = new_cache_index > 0) { > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 434 = new_cache_index =3D 0; > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 435 = new_size =3D 8192; > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 436 = new_rss_limit =3D ~0UL; > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 437 = goto retry_tsb_alloc; > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 438 = } > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 439 > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 440 = /* If we failed on a TSB grow, we are under serious > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 441 = * memory pressure so don't try to grow any more. > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 442 = */ > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 443 = if (mm->context.tsb_block[tsb_index].tsb !=3D NULL) > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 444 = mm->context.tsb_block[tsb_index].tsb_rss_limit =3D ~0UL; > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 445 = return; > b52439c22c63db arch/sparc64/mm/tsb.c David S. Miller 2006-03-17 446 = } > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 447 > 8b234274418d6d arch/sparc64/mm/tsb.c David S. Miller 2006-02-17 448 = /* Mark all tags as invalid. */ > bb8646d8340fa7 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 449 = tsb_init(new_tsb, new_size); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 450 > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 451 = /* Ok, we are about to commit the changes. If we are > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 452 = * growing an existing TSB the locking is very tricky, > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 453 = * so WATCH OUT! > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 454 = * > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 455 = * We have to hold mm->context.lock while committing to the > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 456 = * new TSB, this synchronizes us with processors in > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 457 = * flush_tsb_user() and switch_mm() for this address space. > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 458 = * > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 459 = * But even with that lock held, processors run asynchronously > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 460 = * accessing the old TSB via TLB miss handling. This is OK > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 461 = * because those actions are just propagating state from the > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 462 = * Linux page tables into the TSB, page table mappings are not > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 463 = * being changed. If a real fault occurs, the processor will > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 464 = * synchronize with us when it hits flush_tsb_user(), this is > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 465 = * also true for the case where vmscan is modifying the page > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 466 = * tables. The only thing we need to be careful with is to > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 467 = * skip any locked TSB entries during copy_tsb(). > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 468 = * > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 469 = * When we finish committing to the new TSB, we have to drop > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 470 = * the lock and ask all other cpus running this address space > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 471 = * to run tsb_context_switch() to see the new TSB table. > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 472 = */ > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 473 = spin_lock_irqsave(&mm->context.lock, flags); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 474 > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 475 = old_tsb =3D mm->context.tsb_block[tsb_index].tsb; > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 476 = old_cache_index =3D > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 477 = (mm->context.tsb_block[tsb_index].tsb_reg_val & 0x7UL); > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 478 = old_size =3D (mm->context.tsb_block[tsb_index].tsb_nentries * > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 479 = sizeof(struct tsb)); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 480 > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 481 > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 482 = /* Handle multiple threads trying to grow the TSB at the same time. > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 483 = * One will get in here first, and bump the size and the RSS limit. > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 484 = * The others will get in here next and hit this check. > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 485 = */ > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 486 = if (unlikely(old_tsb && > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 487 = (rss < mm->context.tsb_block[tsb_index].tsb_rss_limit))) { > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 488 = spin_unlock_irqrestore(&mm->context.lock, flags); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 489 > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 490 = kmem_cache_free(tsb_caches[new_cache_index], new_tsb); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 491 = return; > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 492 = } > 8b234274418d6d arch/sparc64/mm/tsb.c David S. Miller 2006-02-17 493 > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 494 = mm->context.tsb_block[tsb_index].tsb_rss_limit =3D new_rss_limit; > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 495 > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 496 = if (old_tsb) { > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 497 = extern void copy_tsb(unsigned long old_tsb_base, > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 498 = unsigned long old_tsb_size, > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 499 = unsigned long new_tsb_base, > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 500 = unsigned long new_tsb_size, > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 501 = unsigned long page_size_shift); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 502 = unsigned long old_tsb_base =3D (unsigned long) old_tsb; > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 503 = unsigned long new_tsb_base =3D (unsigned long) new_tsb; > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 504 > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 505 = if (tlb_type =3D=3D cheetah_plus || tlb_type =3D=3D hypervisor) { > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 506 = old_tsb_base =3D __pa(old_tsb_base); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 507 = new_tsb_base =3D __pa(new_tsb_base); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 508 = } > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 509 = copy_tsb(old_tsb_base, old_size, new_tsb_base, new_size, > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 510 = tsb_index =3D=3D MM_TSB_BASE ? > 654f4807624a65 arch/sparc/mm/tsb.c Mike Kravetz 2017-06-02 511 = PAGE_SHIFT : REAL_HPAGE_SHIFT); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 512 = } > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 513 > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 514 = mm->context.tsb_block[tsb_index].tsb =3D new_tsb; > dcc1e8dd88d4bc arch/sparc64/mm/tsb.c David S. Miller 2006-03-22 515 = setup_tsb_params(mm, tsb_index, new_size); > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 516 > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 517 = spin_unlock_irqrestore(&mm->context.lock, flags); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 518 > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 519 = /* If old_tsb is NULL, we're being invoked for the first time > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 520 = * from init_new_context(). > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 521 = */ > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 522 = if (old_tsb) { > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 523 = /* Reload it on the local cpu. */ > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 524 = tsb_context_switch(mm); > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 525 > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 526 = /* Now force other processors to do the same. */ > a3cf5e6b6f2548 arch/sparc64/mm/tsb.c David S. Miller 2008-08-03 527 = preempt_disable(); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 528 = smp_tsb_sync(mm); > a3cf5e6b6f2548 arch/sparc64/mm/tsb.c David S. Miller 2008-08-03 529 = preempt_enable(); > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 530 > 7a1ac5264108fc arch/sparc64/mm/tsb.c David S. Miller 2006-03-16 531 = /* Now it is safe to free the old tsb. */ > 9b4006dcf6a8c4 arch/sparc64/mm/tsb.c David S. Miller 2006-03-18 532 = kmem_cache_free(tsb_caches[old_cache_index], old_tsb); > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 533 = } > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 534 }= > bd40791e1d289d arch/sparc64/mm/tsb.c David S. Miller 2006-01-31 535 > > :::::: The code at line 405 was first introduced by commit > :::::: bd40791e1d289d807b8580abe1f117e9c62894e4 [SPARC64]: Dynamically = grow TSB in response to RSS growth. > > :::::: TO: David S. Miller > :::::: CC: David S. Miller > > -- = > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests -- Best Regards, Yan, Zi --=_MailMate_0A6A6035-3C7C-4285-8CC7-953A99475A8C_= Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQJDBAEBCgAtFiEE6rR4j8RuQ2XmaZol4n+egRQHKFQFAmQcPOkPHHppeUBudmlk aWEuY29tAAoJEOJ/noEUByhUCwIP/2GasQ5NPoSeuxj4LMtE1ZZ7OVVigD8qpre2 RKDGDzm8Mrz6fh/OmtTq2TDQ1dsXivWqv0QUOkZiqKeDZz7GXPuLrh61+uBDihow WpvjlM9j4ftXY2DL5RfqIoay8p+wpTG0pgNeWiEHMP0X+43q4n+3x2iRnGaf1W4t qsUulQ1V4CRbcAcfFzWVxX1C/5P5XbLAPMh0CepTVJNToucuWRYpamHYsypXELtm amihsFyG/Uzsy/40+ODM51XSe9mfawWtu6SFAcxsH0mQWJvwezIdFAWabSbMt3t6 TTPY6P+KvkIFE5jd9/Upul567oW9bSeAcWtJfFLeT3pHIeVt86kk4Md4BVBcOPXV ezXVHZ5yjGSUgAFwK8KsizUceIJ9YFEqX2346+ZpKQH6QIvm183KO3EJ/HJjKiWQ JP+CML1sFvtAiYY2T+DHhdFWUck1SMFgr5i8BXTIn+EiOO2TcvrhU1sw/dymqu9o nsSQQZldILvKLXAtk6jkK7IW4Rxti+sjIvH3lDHzg14DXGfi600PaLnerq0ZMNI3 A8FNGxR96pg6jGzzvDAX+VTeNSDNZlNcXAXN/dgw084ZKMKNShXWMVWfupl8DQ43 n5gC2f8eFes/5wTbmDYXHmW5fKahRm67ix2ABC+RyItFRphrc15EjfLAdHZjlPrz jca3aVCp =EQc7 -----END PGP SIGNATURE----- --=_MailMate_0A6A6035-3C7C-4285-8CC7-953A99475A8C_=--