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mm: fixup compilation error due to an asm write through a const pointer 

This regression has been introduced in

commit f56f821feb
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: Geert Uytterhoeven <geert@linux-m68k.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>
hifive-unleashed-5.1
Daniel Vetter 2012-04-14 18:03:10 +02:00 committed by Dave Airlie
parent 8353e6c632
commit 9923777dff
1 changed files with 1 additions and 1 deletions
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include/linux/pagemap.h
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@ -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;