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authorNick Piggin <nickpiggin@yahoo.com.au>2006-01-06 03:11:12 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-06 11:33:27 -0500
commit9617d95e6e9ffd883cf90a89724fe60d7ab22f9a (patch)
tree67d555d34d931bd253fbc4959ffdb1e5b904f2b0 /fs/exec.c
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 'fs/exec.c')
-rw-r--r--fs/exec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 22533cce0611..e75a9548da8e 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -324,7 +324,7 @@ void install_arg_page(struct vm_area_struct *vma,
324 lru_cache_add_active(page); 324 lru_cache_add_active(page);
325 set_pte_at(mm, address, pte, pte_mkdirty(pte_mkwrite(mk_pte( 325 set_pte_at(mm, address, pte, pte_mkdirty(pte_mkwrite(mk_pte(
326 page, vma->vm_page_prot)))); 326 page, vma->vm_page_prot))));
327 page_add_anon_rmap(page, vma, address); 327 page_add_new_anon_rmap(page, vma, address);
328 pte_unmap_unlock(pte, ptl); 328 pte_unmap_unlock(pte, ptl);
329 329
330 /* no need for flush_tlb */ 330 /* no need for flush_tlb */