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Commit 9923777d authored by Daniel Vetter's avatar Daniel Vetter Committed by Dave Airlie
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mm: fixup compilation error due to an asm write through a const pointer 



This regression has been introduced in

commit f56f821f
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Sun Mar 25 19:47:41 2012 +0200

    mm: extend prefault helpers to fault in more than PAGE_SIZE

I have failed to notice this because x86 asm seems to happily compile
things as-is.

Reported-by: default avatarGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 8353e6c6

include/linux/pagemap.h

+1 −1
Original line number Diff line number Diff line
@@ -461,7 +461,7 @@ static inline int fault_in_pages_readable(const char __user *uaddr, int size) 
static inline int fault_in_multipages_writeable(char __user *uaddr, int size)

{

	int ret;

	const char __user *end = uaddr + size - 1;

	char __user *end = uaddr + size - 1;



	if (unlikely(size == 0))

		return 0;