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authorDavid Hildenbrand <david@redhat.com>2020-08-06 23:25:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-07 11:33:28 -0700
commit0a18e60788d6a39436e8b5e91001b790043fc29c (patch)
tree7afd333b77453c7bf2b16cfde59b6eb90a2a77c0 /mm/vmscan.c
parentf80b08fc44536a311a9f3182e50f318b79076425 (diff)
mm: remove vm_total_pages
The global variable "vm_total_pages" is a relic from older days. There is only a single user that reads the variable - build_all_zonelists() - and the first thing it does is update it. Use a local variable in build_all_zonelists() instead and remove the global variable. Signed-off-by: David Hildenbrand <david@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com> Reviewed-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Huang Ying <ying.huang@intel.com> Cc: Minchan Kim <minchan@kernel.org> Link: http://lkml.kernel.org/r/20200619132410.23859-2-david@redhat.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 23156c252e0a..d4d7cd1d24c1 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -170,11 +170,6 @@ struct scan_control {
* From 0 .. 200. Higher means more swappy.
*/
int vm_swappiness = 60;
-/*
- * The total number of pages which are beyond the high watermark within all
- * zones.
- */
-unsigned long vm_total_pages;
static void set_task_reclaim_state(struct task_struct *task,
struct reclaim_state *rs)