From: Huang Shijie <shijie8@gmail.com>
To: akpm@linux-foundation.org
Cc: hugh.dickins@tiscali.co.uk, fengguang.wu@intel.com,
linux-mm@kvack.org, Huang Shijie <shijie8@gmail.com>
Subject: [PATCH] rmap : move the `out` to a more proper place
Date: Tue, 20 Oct 2009 15:14:19 +0800 [thread overview]
Message-ID: <1256022859-23849-1-git-send-email-shijie8@gmail.com> (raw)
When the code jumps to the `out' ,the referenced is still zero.
So there is no need to check it.
Signed-off-by: Huang Shijie <shijie8@gmail.com>
---
mm/rmap.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/mm/rmap.c b/mm/rmap.c
index dd43373..fe99069 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -388,9 +388,10 @@ static int page_referenced_one(struct page *page,
out_unmap:
(*mapcount)--;
pte_unmap_unlock(pte, ptl);
-out:
+
if (referenced)
*vm_flags |= vma->vm_flags;
+out:
return referenced;
}
--
1.6.0.6
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next reply other threads:[~2009-10-20 7:19 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-20 7:14 Huang Shijie [this message]
2009-10-20 7:28 ` [PATCH] rmap : move the `out` to a more proper place Wu Fengguang
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