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authorChristoph Lameter <clameter@sgi.com>2008-02-15 23:45:25 -0800
committerChristoph Lameter <clameter@sgi.com>2008-03-03 12:22:31 -0800
commitd8b42bf54be18b5d0bad941b3a1d3e8f022651a7 (patch)
tree50c43281c981a82f0f1742fcc84919e35270e9f8 /mm/slub.c
parentae20bfda6813387af18c7fdbc0f8b1fa7be2d05b (diff)
downloadlwn-d8b42bf54be18b5d0bad941b3a1d3e8f022651a7.tar.gz
lwn-d8b42bf54be18b5d0bad941b3a1d3e8f022651a7.zip
slub: Rearrange #ifdef CONFIG_SLUB_DEBUG in calculate_sizes()
Group SLUB_DEBUG code together to reduce the number of #ifdefs. Move some debug checks under the #ifdef. Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Christoph Lameter <clameter@sgi.com>
Diffstat (limited to 'mm/slub.c')
-rw-r--r--mm/slub.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 09b5dc82df58..72f5f4ecd1d2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2130,6 +2130,14 @@ static int calculate_sizes(struct kmem_cache *s)
unsigned long align = s->align;
/*
+ * Round up object size to the next word boundary. We can only
+ * place the free pointer at word boundaries and this determines
+ * the possible location of the free pointer.
+ */
+ size = ALIGN(size, sizeof(void *));
+
+#ifdef CONFIG_SLUB_DEBUG
+ /*
* Determine if we can poison the object itself. If the user of
* the slab may touch the object after free or before allocation
* then we should never poison the object itself.
@@ -2140,14 +2148,7 @@ static int calculate_sizes(struct kmem_cache *s)
else
s->flags &= ~__OBJECT_POISON;
- /*
- * Round up object size to the next word boundary. We can only
- * place the free pointer at word boundaries and this determines
- * the possible location of the free pointer.
- */
- size = ALIGN(size, sizeof(void *));
-#ifdef CONFIG_SLUB_DEBUG
/*
* If we are Redzoning then check if there is some space between the
* end of the object and the free pointer. If not then add an