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gcc-4.6: pagemap: avoid unused-but-set variable 

Avoid quite a lot of warnings in header files in a gcc 4.6 -Wall builds

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andi Kleen 2010-08-09 17:19:02 -07:00 committed by Linus Torvalds
parent 67a8a20fe1
commit 627295e492
1 changed files with 3 additions and 1 deletions
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4
include/linux/pagemap.h
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@ -423,8 +423,10 @@ static inline int fault_in_pages_readable(const char __user *uaddr, int size)
const char __user *end = uaddr + size - 1; const char __user *end = uaddr + size - 1;
if (((unsigned long)uaddr & PAGE_MASK) != if (((unsigned long)uaddr & PAGE_MASK) !=
((unsigned long)end & PAGE_MASK)) ((unsigned long)end & PAGE_MASK)) {
ret = __get_user(c, end); ret = __get_user(c, end);
(void)c;
}
} }
return ret; return ret;
} }