[PATCH] mm: slab less atomics
Atomic operation removal from slab
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/slab.c b/mm/slab.c
index d0bd7f0..5988adf 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1402,7 +1402,7 @@
atomic_add(i, &slab_reclaim_pages);
add_page_state(nr_slab, i);
while (i--) {
- SetPageSlab(page);
+ __SetPageSlab(page);
page++;
}
return addr;
@@ -1418,8 +1418,8 @@
const unsigned long nr_freed = i;
while (i--) {
- if (!TestClearPageSlab(page))
- BUG();
+ BUG_ON(!PageSlab(page));
+ __ClearPageSlab(page);
page++;
}
sub_page_state(nr_slab, nr_freed);