The patch titled Subject: thp: remove unnecessary khugepaged_thread check has been added to the -mm tree. Its filename is thp-remove-unnecessary-khugepaged_thread-check.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx> Subject: thp: remove unnecessary khugepaged_thread check Now, khugepaged creation and cancel are completely serial under the protection of khugepaged_mutex, it is impossible that many khugepaged entities are running Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Cc: Hugh Dickins <hughd@xxxxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/huge_memory.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff -puN mm/huge_memory.c~thp-remove-unnecessary-khugepaged_thread-check mm/huge_memory.c --- a/mm/huge_memory.c~thp-remove-unnecessary-khugepaged_thread-check +++ a/mm/huge_memory.c @@ -2334,11 +2334,8 @@ static int khugepaged(void *none) set_freezable(); set_user_nice(current, 19); - while (!kthread_should_stop()) { - VM_BUG_ON(khugepaged_thread != current); + while (!kthread_should_stop()) khugepaged_loop(); - VM_BUG_ON(khugepaged_thread != current); - } spin_lock(&khugepaged_mm_lock); mm_slot = khugepaged_scan.mm_slot; _ Patches currently in -mm which might be from xiaoguangrong@xxxxxxxxxxxxxxxxxx are linux-next.patch thp-fix-the-count-of-thp_collapse_alloc.patch thp-remove-unnecessary-check-in-start_khugepaged.patch thp-move-khugepaged_mutex-out-of-khugepaged.patch thp-remove-unnecessary-khugepaged_thread-check.patch thp-remove-wake_up_interruptible-in-the-exit-path.patch thp-remove-some-code-depend-on-config_numa.patch thp-merge-page-pre-alloc-in-khugepaged_loop-into-khugepaged_do_scan.patch thp-release-page-in-page-pre-alloc-path.patch thp-introduce-khugepaged_prealloc_page-and-khugepaged_alloc_page.patch thp-remove-khugepaged_loop.patch thp-use-khugepaged_enabled-to-remove-duplicate-code.patch thp-remove-unnecessary-set_recommended_min_free_kbytes.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html