arch/arm/include/asm/string.h

#ifndef __ASM_ARM_STRING_H
#define __ASM_ARM_STRING_H

#ifdef CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS

#define __HAVE_ARCH_MEMCPY
extern void *memcpy(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMSET
extern void *memset(void *, int, __kernel_size_t);

#endif

#endif