This variable is calculated from nr_free_pagecache_pages so
change its type to unsigned long.
Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
---
include/linux/swap.h | 2 +-
mm/vmscan.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/swap.h b/include/linux/swap.h
index c238323..fa1f686 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -266,7 +266,7 @@ extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem,
extern unsigned long shrink_all_memory(unsigned long nr_pages);
extern int vm_swappiness;
extern int remove_mapping(struct address_space *mapping, struct page *page);
-extern long vm_total_pages;
+extern unsigned long vm_total_pages;
#ifdef CONFIG_NUMA
extern int zone_reclaim_mode;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 196709f..5344a5b 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -128,7 +128,7 @@ struct scan_control {
* From 0 .. 100. Higher means more swappy.
*/
int vm_swappiness = 60;
-long vm_total_pages; /* The total number of pages which the VM controls */
+unsigned long vm_total_pages; /* The total number of pages which the VM controls */
static LIST_HEAD(shrinker_list);
static DECLARE_RWSEM(shrinker_rwsem);
--
1.7.1
--
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