[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 <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
kyagi · Jun 26, 2006 · 6bfa9bb · 6bfa9bb
1 parent 2ee60e1
commit 6bfa9bb
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git 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
@@ -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);