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page-types: unsigned cannot be less than 0 in add_page()

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If not signed, testing of the read() return value in this function
will not work.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roel Kluin 2009-12-14 17:57:49 -08:00 committed by Linus Torvalds
parent 3428838d8e
commit f1327bf18c
1 changed files with 1 additions and 1 deletions
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2
Documentation/vm/page-types.c
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@ -560,7 +560,7 @@ static void walk_pfn(unsigned long voffset,
{
uint64_t buf[KPAGEFLAGS_BATCH];
unsigned long batch;
unsigned long pages;
long pages;
unsigned long i;
while (count) {