> PATCH: fix munlock page table walk - now requires 'mm' > > Against 2.6.26-rc5-mm3. > > Incremental fix for: mlock-mlocked-pages-are-unevictable-fix.patch > > Initialize the 'mm' member of the mm_walk structure, else the > page table walk doesn't occur, and mlocked pages will not be > munlocked. This is visible in the vmstats: Yup, Dave Hansen changed page_walk interface recently. thus, his and ours patch is conflicted ;) below patch is just nit cleanups. =========================================== From: Lee Schermerhorn <lee.schermerhorn@xxxxxx> This [freeing of mlocked pages] also occurs in unpatched 26-rc5-mm3. Fixed by the following: PATCH: fix munlock page table walk - now requires 'mm' Against 2.6.26-rc5-mm3. Incremental fix for: mlock-mlocked-pages-are-unevictable-fix.patch Initialize the 'mm' member of the mm_walk structure, else the page table walk doesn't occur, and mlocked pages will not be munlocked. This is visible in the vmstats: noreclaim_pgs_munlocked - should equal noreclaim_pgs_mlocked less (nr_mlock + noreclaim_pgs_cleared), but is always zero [munlock_vma_page() never called] noreclaim_pgs_mlockfreed - should be zero [for debug only], but == noreclaim_pgs_mlocked - (nr_mlock + noreclaim_pgs_cleared) Signed-off-by: Lee Schermerhorn <lee.schermerhorn@xxxxxx> Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx> mm/mlock.c | 1 + 1 file changed, 1 insertion(+) Index: b/mm/mlock.c =================================================================== --- a/mm/mlock.c +++ b/mm/mlock.c @@ -310,6 +310,7 @@ static void __munlock_vma_pages_range(st .pmd_entry = __munlock_pmd_handler, .pte_entry = __munlock_pte_handler, .private = &mpw, + .mm = mm, }; VM_BUG_ON(start & ~PAGE_MASK || end & ~PAGE_MASK); -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
