CONFIG_UNEVICTABLE_LRU automatically turn on CONFIG_PAGE_WALKER. it cause build error on nommu machine. Now, it is unnecessary because munlock was rewritten. Signed-off-by: KOSAKI Motohiro CC: Li Zefan CC: Hugh Dickins CC: Lee Schermerhorn CC: Rik van Riel --- init/Kconfig | 1 - mm/Kconfig | 5 ----- mm/Makefile | 2 +- 3 files changed, 1 insertion(+), 7 deletions(-) Index: b/init/Kconfig =================================================================== --- a/init/Kconfig +++ b/init/Kconfig @@ -803,7 +803,6 @@ source "arch/Kconfig" config PROC_PAGE_MONITOR default y depends on PROC_FS && MMU - select PAGE_WALKER bool "Enable /proc page monitoring" if EMBEDDED help Various /proc files exist to monitor process memory utilization: Index: b/mm/Kconfig =================================================================== --- a/mm/Kconfig +++ b/mm/Kconfig @@ -209,14 +209,9 @@ config VIRT_TO_BUS def_bool y depends on !ARCH_NO_VIRT_TO_BUS -# automatically selected by UNEVICTABLE_LRU or PROC_PAGE_MONITOR -config PAGE_WALKER - def_bool n - config UNEVICTABLE_LRU bool "Add LRU list to track non-evictable pages" default y - select PAGE_WALKER help Keeps unevictable pages off of the active and inactive pageout lists, so kswapd will not waste CPU time or have its balancing Index: b/mm/Makefile =================================================================== --- a/mm/Makefile +++ b/mm/Makefile @@ -13,7 +13,7 @@ obj-y := bootmem.o filemap.o mempool.o prio_tree.o util.o mmzone.o vmstat.o backing-dev.o \ page_isolation.o $(mmu-y) -obj-$(CONFIG_PAGE_WALKER) += pagewalk.o +obj-$(CONFIG_PROC_PAGE_MONITOR) += pagewalk.o obj-$(CONFIG_BOUNCE) += bounce.o obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o obj-$(CONFIG_HAS_DMA) += dmapool.o -- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org