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>
diff --git a/Documentation/vm/page-types.c b/Documentation/vm/page-types.c
index 59a4614..2279b61 100644
--- a/Documentation/vm/page-types.c
+++ b/Documentation/vm/page-types.c
@@ -560,7 +560,7 @@
{
uint64_t buf[KPAGEFLAGS_BATCH];
unsigned long batch;
- unsigned long pages;
+ long pages;
unsigned long i;
while (count) {
