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authorLaura Abbott <labbott@fedoraproject.org>2016-03-15 14:55:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-15 16:55:16 -0700
commitbecfda68abca673d61d5cc953e8e099816db99d9 (patch)
treef6d1850b3dd589464cc93145eb0ad02c8f4f89b1 /Documentation/vm
parent804aa132d341cc5838b710e62de02d62e6ad0185 (diff)
downloadlinux-becfda68abca673d61d5cc953e8e099816db99d9.tar.bz2
slub: convert SLAB_DEBUG_FREE to SLAB_CONSISTENCY_CHECKS
SLAB_DEBUG_FREE allows expensive consistency checks at free to be turned on or off. Expand its use to be able to turn off all consistency checks. This gives a nice speed up if you only want features such as poisoning or tracing. Credit to Mathias Krause for the original work which inspired this series Signed-off-by: Laura Abbott <labbott@fedoraproject.org> Acked-by: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <js1304@gmail.com> Cc: Kees Cook <keescook@chromium.org> Cc: Mathias Krause <minipli@googlemail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation/vm')
-rw-r--r--Documentation/vm/slub.txt4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/vm/slub.txt b/Documentation/vm/slub.txt
index f0d340959319..84652419bff2 100644
--- a/Documentation/vm/slub.txt
+++ b/Documentation/vm/slub.txt
@@ -35,8 +35,8 @@ slub_debug=<Debug-Options>,<slab name>
Enable options only for select slabs
Possible debug options are
- F Sanity checks on (enables SLAB_DEBUG_FREE. Sorry
- SLAB legacy issues)
+ F Sanity checks on (enables SLAB_DEBUG_CONSISTENCY_CHECKS
+ Sorry SLAB legacy issues)
Z Red zoning
P Poisoning (object and padding)
U User tracking (free and alloc)