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| author | Nick Piggin <nickpiggin@yahoo.com.au> | 2006-01-06 00:11:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:33:27 -0800 |
| commit | 41e9b63b35b52cf918a4ffdb8d77862ab824aa8b (patch) | |
| tree | 472ef8bb097f4e090f5fc95100acdbc77f515087 | |
| parent | 9617d95e6e9ffd883cf90a89724fe60d7ab22f9a (diff) | |
| download | op-kernel-dev-41e9b63b35b52cf918a4ffdb8d77862ab824aa8b.zip op-kernel-dev-41e9b63b35b52cf918a4ffdb8d77862ab824aa8b.tar.gz | |
[PATCH] mm: pfault optimisation
This atomic operation is superfluous: the pte will be added with the
referenced bit set, and the page will be referenced through this mapping after
the page fault handler returns anyway.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | mm/memory.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/mm/memory.c b/mm/memory.c index d7ca7de..7197f9b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1977,7 +1977,6 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, goto release; inc_mm_counter(mm, anon_rss); lru_cache_add_active(page); - SetPageReferenced(page); page_add_new_anon_rmap(page, vma, address); } else { /* Map the ZERO_PAGE - vm_page_prot is readonly */ |
