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authorRoel Kluin <roel.kluin@gmail.com>2009-12-14 17:57:49 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 08:53:11 -0800
commitf1327bf18c8737aeb85226f02f102dfa065fddde (patch)
tree441b938316c4de34c34784463836ea52e455c465 /Documentation/vm
parent3428838d8e88fb766143c913cf3e777b000f8e07 (diff)
downloadlinux-f1327bf18c8737aeb85226f02f102dfa065fddde.tar.gz
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 <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>
Diffstat (limited to 'Documentation/vm')
-rw-r--r--Documentation/vm/page-types.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/vm/page-types.c b/Documentation/vm/page-types.c
index 59a4614f4b90..2279b616a7ac 100644
--- a/Documentation/vm/page-types.c
+++ b/Documentation/vm/page-types.c
@@ -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) {