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authorPekka J Enberg <penberg@cs.Helsinki.FI>2005-09-06 15:18:31 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-07 16:57:45 -0700
commitdd3927105b6f65afb7dac17682172cdfb86d3f00 (patch)
tree5cf282aff500cad23b9d7e13dc19b2b2d31e1ce6 /include
parent640e803376b9c4072f69fec42e304c974a631298 (diff)
downloadop-kernel-dev-dd3927105b6f65afb7dac17682172cdfb86d3f00.zip
op-kernel-dev-dd3927105b6f65afb7dac17682172cdfb86d3f00.tar.gz
[PATCH] introduce and use kzalloc
This patch introduces a kzalloc wrapper and converts kernel/ to use it. It saves a little program text. Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/slab.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 80b2dfd..42a6bea 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -99,7 +99,21 @@ found:
return __kmalloc(size, flags);
}
-extern void *kcalloc(size_t, size_t, unsigned int __nocast);
+extern void *kzalloc(size_t, unsigned int __nocast);
+
+/**
+ * kcalloc - allocate memory for an array. The memory is set to zero.
+ * @n: number of elements.
+ * @size: element size.
+ * @flags: the type of memory to allocate.
+ */
+static inline void *kcalloc(size_t n, size_t size, unsigned int __nocast flags)
+{
+ if (n != 0 && size > INT_MAX / n)
+ return NULL;
+ return kzalloc(n * size, flags);
+}
+
extern void kfree(const void *);
extern unsigned int ksize(const void *);
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