xtensa: fix a build error in arch/xtensa/include/asm/uaccess.h
Fix the following build error: arch/xtensa/include/asm/uaccess.h:403: error: implicit declaration of function 'prefetch' arch/xtensa/include/asm/uaccess.h:412: error: implicit declaration of function 'prefetchw' Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -17,6 +17,7 @@
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#define _XTENSA_UACCESS_H
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#include <linux/errno.h>
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#include <linux/prefetch.h>
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#define VERIFY_READ 0
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#define VERIFY_WRITE 1
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