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6bfa9bb519
- 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>
21 lines
480 B
C
21 lines
480 B
C
/* Normally compiler builtins are used, but sometimes the compiler calls out
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of line code. Based on asm-i386/string.h.
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*/
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#define _STRING_C
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#include <linux/string.h>
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#include <linux/module.h>
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#undef memmove
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void *memmove(void * dest,const void *src,size_t count)
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{
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if (dest < src) {
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return memcpy(dest,src,count);
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} else {
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char *p = (char *) dest + count;
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char *s = (char *) src + count;
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while (count--)
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*--p = *--s;
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}
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return dest;
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}
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EXPORT_SYMBOL(memmove);
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