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authorNick Piggin <nickpiggin@yahoo.com.au>2006-01-06 00:11:12 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 08:33:27 -0800
commit9617d95e6e9ffd883cf90a89724fe60d7ab22f9a (patch)
tree67d555d34d931bd253fbc4959ffdb1e5b904f2b0 /include/linux
parent224abf92b2f439a9030f21d2926ec8047d1ffcdb (diff)
[PATCH] mm: rmap optimisation
Optimise rmap functions by minimising atomic operations when we know there will be no concurrent modifications. 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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/rmap.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index 33261f1d2239..9d6fbeef2104 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -71,6 +71,7 @@ void __anon_vma_link(struct vm_area_struct *);
* rmap interfaces called when adding or removing pte of page
*/
void page_add_anon_rmap(struct page *, struct vm_area_struct *, unsigned long);
+void page_add_new_anon_rmap(struct page *, struct vm_area_struct *, unsigned long);
void page_add_file_rmap(struct page *);
void page_remove_rmap(struct page *);