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| author | Andi Kleen <ak@suse.de> | 2006-06-26 13:59:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 10:48:22 -0700 |
| commit | 6bfa9bb5195c68f75bd3937e4d77cb0bfe852d0d (patch) | |
| tree | cb6833ec8a32ac4b139be375b706b7110004a799 /arch/x86_64/lib | |
| parent | 2ee60e17896c65da1df5780d3196c050bccb7d10 (diff) | |
| download | linux-3.10-6bfa9bb5195c68f75bd3937e4d77cb0bfe852d0d.tar.gz linux-3.10-6bfa9bb5195c68f75bd3937e4d77cb0bfe852d0d.tar.bz2 linux-3.10-6bfa9bb5195c68f75bd3937e4d77cb0bfe852d0d.zip | |
[PATCH] x86_64: Minor string functions optimizations
- Use tail call from clear_user to __clear_user to save some code size
- Use standard memcpy for forward memmove
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/lib')
| -rw-r--r-- | arch/x86_64/lib/memmove.c | 2 | ||||
| -rw-r--r-- | arch/x86_64/lib/usercopy.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86_64/lib/memmove.c b/arch/x86_64/lib/memmove.c index 517eb1bd9de..751ebae8ec4 100644 --- a/arch/x86_64/lib/memmove.c +++ b/arch/x86_64/lib/memmove.c @@ -9,7 +9,7 @@ void *memmove(void * dest,const void *src,size_t count) { if (dest < src) { - __inline_memcpy(dest,src,count); + return memcpy(dest,src,count); } else { char *p = (char *) dest + count; char *s = (char *) src + count; diff --git a/arch/x86_64/lib/usercopy.c b/arch/x86_64/lib/usercopy.c index a82bfacdb1a..893d43f838c 100644 --- a/arch/x86_64/lib/usercopy.c +++ b/arch/x86_64/lib/usercopy.c @@ -55,7 +55,7 @@ strncpy_from_user(char *dst, const char __user *src, long count) { long res = -EFAULT; if (access_ok(VERIFY_READ, src, 1)) - __do_strncpy_from_user(dst, src, count, res); + return __strncpy_from_user(dst, src, count); return res; } EXPORT_SYMBOL(strncpy_from_user); |