[PATCH v5 1/3] proc/meminfo: avoid open coded reading of vm_committed_as

From: Feng Tang
Date: Sun Jun 21 2020 - 03:40:45 EST


Use the existing vm_memory_committed() instead, which is also
convenient for future change.

Signed-off-by: Feng Tang <feng.tang@xxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Andi Kleen <andi.kleen@xxxxxxxxx>
Cc: Tim Chen <tim.c.chen@xxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxx>
Cc: Huang Ying <ying.huang@xxxxxxxxx>
---
fs/proc/meminfo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index 38ea95f..f262bff 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -41,7 +41,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)

si_meminfo(&i);
si_swapinfo(&i);
- committed = percpu_counter_read_positive(&vm_committed_as);
+ committed = vm_memory_committed();

cached = global_node_page_state(NR_FILE_PAGES) -
total_swapcache_pages() - i.bufferram;
--
2.7.4