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

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

Signed-off-by: Roel Kluin <[email protected]>
Cc: Wu Fengguang <[email protected]>
Cc: Randy Dunlap <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Roel Kluin 2009-12-14 17:57:49 -08:00 • committed by Linus Torvalds
commit f1327bf18c

View file

@ -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) {