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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-10-27 11:24:09 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-11-27 12:37:59 +0000 |
| commit | 59f0cb0fddc14ffc6676ae62e911f8115ebc8ccf (patch) | |
| tree | 1e5fc347287c02e83dce967180c96906f6ed7455 /arch/arm/include/asm/string.h | |
| parent | ed313489badef16d700f5a3be50e8fd8f8294bc8 (diff) | |
| download | lwn-59f0cb0fddc14ffc6676ae62e911f8115ebc8ccf.tar.gz lwn-59f0cb0fddc14ffc6676ae62e911f8115ebc8ccf.zip | |
[ARM] remove memzero()
As suggested by Andrew Morton, remove memzero() - it's not supported
on other architectures so use of it is a potential build breaking bug.
Since the compiler optimizes memset(x,0,n) to __memzero() perfectly
well, we don't miss out on the underlying benefits of memzero().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/string.h')
| -rw-r--r-- | arch/arm/include/asm/string.h | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/arm/include/asm/string.h b/arch/arm/include/asm/string.h index e50c4a39b699..cf4f3aad0fc1 100644 --- a/arch/arm/include/asm/string.h +++ b/arch/arm/include/asm/string.h @@ -21,7 +21,6 @@ extern void * memmove(void *, const void *, __kernel_size_t); #define __HAVE_ARCH_MEMCHR extern void * memchr(const void *, int, __kernel_size_t); -#define __HAVE_ARCH_MEMZERO #define __HAVE_ARCH_MEMSET extern void * memset(void *, int, __kernel_size_t); @@ -39,12 +38,4 @@ extern void __memzero(void *ptr, __kernel_size_t n); (__p); \ }) -#define memzero(p,n) \ - ({ \ - void *__p = (p); size_t __n = n; \ - if ((__n) != 0) \ - __memzero((__p),(__n)); \ - (__p); \ - }) - #endif |