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authorDavid Hildenbrand <david@redhat.com>2020-08-07 08:25:27 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-07 20:33:28 +0200
commit0a18e60788d6a39436e8b5e91001b790043fc29c (patch)
tree7afd333b77453c7bf2b16cfde59b6eb90a2a77c0 /mm/page_alloc.c
parentmm, page_alloc: skip ->waternark_boost for atomic order-0 allocations (diff)
downloadlinux-0a18e60788d6a39436e8b5e91001b790043fc29c.tar.xz
linux-0a18e60788d6a39436e8b5e91001b790043fc29c.zip
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/page_alloc.c')
-rw-r--r--mm/page_alloc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 0fb5c97ac94c..20184e2a8cfe 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5912,6 +5912,8 @@ build_all_zonelists_init(void)
*/
void __ref build_all_zonelists(pg_data_t *pgdat)
{
+ unsigned long vm_total_pages;
+
if (system_state == SYSTEM_BOOTING) {
build_all_zonelists_init();
} else {