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Tue, 24 Oct 2023 07:49:47 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1780648758874436777 X-GMAIL-MSGID: 1780648758874436777 When pra->vm_flags include VM_EXEC flag and folio is file detected in folio_referenced_one(), the folio referenced traversal process can be exited timely to reduce the detecting folio referenced time. Signed-off-by: Zhiguo Jiang --- mm/rmap.c | 2 ++ 1 file changed, 2 insertions(+) mode change 100644 => 100755 mm/rmap.c diff --git a/mm/rmap.c b/mm/rmap.c index 7a27a2b41802..932f3b7e8521 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -884,6 +884,8 @@ static bool folio_referenced_one(struct folio *folio, if (referenced) { pra->referenced++; pra->vm_flags |= vma->vm_flags & ~VM_LOCKED; + if ((pra->vm_flags | VM_EXEC) && folio_is_file_lru(folio)) + return false; } if (!pra->mapcount)