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2026 at 07:02:13PM -0800, Andrew Morton wrote: > On Fri, 23 Jan 2026 17:21:42 -0800 Andrew Morton wrote: > > > > > lol, OK, I droppped $Subject and did this: > > > > --- a/mm/khugepaged.c~mm-khugepaged-make-khugepaged_collapse_control-a-local > > +++ a/mm/khugepaged.c > > @@ -827,10 +827,6 @@ static void khugepaged_alloc_sleep(void) > > remove_wait_queue(&khugepaged_wait, &wait); > > } > > > > -struct collapse_control khugepaged_collapse_control = { > > - .is_khugepaged = true, > > -}; > > - > > static bool hpage_collapse_scan_abort(int nid, struct collapse_control *cc) > > { > > int i; > > @@ -2618,13 +2614,16 @@ static void khugepaged_wait_work(void) > > > > static int khugepaged(void *none) > > { > > + struct collapse_control cc = { > > + .is_khugepaged = true, > > + }; > > nope, that thing's really big! > > mm/khugepaged.c: In function 'khugepaged': > mm/khugepaged.c:2637:1: error: the frame size of 4696 bytes is larger than 2048 Yup, thanks Andrew, this change is completely crazy. > > We could kzalloc() it but I think I'll just restore the make-it-static > patch. Someone please add to the todo list? And no to kzalloc(), let's just keep this static for now. It works fine as it is! Thanks, Lorenzo