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authorChristoph Lameter <cl@linux-foundation.org>2010-07-09 23:07:14 +0400
committerPekka Enberg <penberg@cs.helsinki.fi>2010-07-16 12:13:08 +0400
commitaf537b0a6c650ab6ff7104d8163e96866b31c835 (patch)
tree31d756ebce6ac6613b42a1aa5b1f5a80a7d76fe7 /include/linux/page-flags.h
parentf5b801ac38a9612b380ee9a75ab1861f0594e79f (diff)
downloadlinux-af537b0a6c650ab6ff7104d8163e96866b31c835.tar.xz
slub: Use kmem_cache flags to detect if slab is in debugging mode.
The cacheline with the flags is reachable from the hot paths after the percpu allocator changes went in. So there is no need anymore to put a flag into each slab page. Get rid of the SlubDebug flag and use the flags in kmem_cache instead. Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Christoph Lameter <cl@linux-foundation.org> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'include/linux/page-flags.h')
-rw-r--r--include/linux/page-flags.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index 5b59f35dcb8f..6fa317801e1c 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -128,7 +128,6 @@ enum pageflags {
/* SLUB */
PG_slub_frozen = PG_active,
- PG_slub_debug = PG_error,
};
#ifndef __GENERATING_BOUNDS_H
@@ -215,7 +214,6 @@ PAGEFLAG(SwapBacked, swapbacked) __CLEARPAGEFLAG(SwapBacked, swapbacked)
__PAGEFLAG(SlobFree, slob_free)
__PAGEFLAG(SlubFrozen, slub_frozen)
-__PAGEFLAG(SlubDebug, slub_debug)
/*
* Private page markings that may be used by the filesystem that owns the page