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Date: Thu, 17 Mar 2022 16:48:20 -0700 From: Yang Shi <shy828301@...il.com> To: vbabka@...e.cz, kirill.shutemov@...ux.intel.com, linmiaohe@...wei.com, songliubraving@...com, riel@...riel.com, willy@...radead.org, ziy@...dia.com, akpm@...ux-foundation.org, tytso@....edu, adilger.kernel@...ger.ca, darrick.wong@...cle.com Cc: shy828301@...il.com, linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [v2 PATCH 1/8] sched: coredump.h: clarify the use of MMF_VM_HUGEPAGE MMF_VM_HUGEPAGE is set as long as the mm is available for khugepaged by khugepaged_enter(), not only when VM_HUGEPAGE is set on vma. Correct the comment to avoid confusion. Reviewed-by: Miaohe Lin <linmiaohe@...wei.com> Signed-off-by: Yang Shi <shy828301@...il.com> --- include/linux/sched/coredump.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h index 4d9e3a656875..4d0a5be28b70 100644 --- a/include/linux/sched/coredump.h +++ b/include/linux/sched/coredump.h @@ -57,7 +57,8 @@ static inline int get_dumpable(struct mm_struct *mm) #endif /* leave room for more dump flags */ #define MMF_VM_MERGEABLE 16 /* KSM may merge identical pages */ -#define MMF_VM_HUGEPAGE 17 /* set when VM_HUGEPAGE is set on vma */ +#define MMF_VM_HUGEPAGE 17 /* set when mm is available for + khugepaged */ /* * This one-shot flag is dropped due to necessity of changing exe once again * on NFS restore -- 2.26.3
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