summaryrefslogtreecommitdiff
path: root/mm/memory_hotplug.c
diff options
context:
space:
mode:
authorHaifeng Xu <haifeng.xu@shopee.com>2023-06-07 05:50:56 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-06-20 02:19:05 +0300
commit32b6a4a1745a46918f748f6fb7641e588fbec6f2 (patch)
tree6a930cef9dc73cb9f8eee8980d526b0e2b6bdd3a /mm/memory_hotplug.c
parenta668968f84265e698a122656c433809ab9f023fa (diff)
downloadlinux-32b6a4a1745a46918f748f6fb7641e588fbec6f2.tar.xz
mm/mm_init.c: remove reset_node_present_pages()
reset_node_present_pages() only get called in hotadd_init_pgdat(), move the action that clear present pages to free_area_init_core_hotplug(), so the helper can be removed. Link: https://lkml.kernel.org/r/20230607025056.1348-1-haifeng.xu@shopee.com Signed-off-by: Haifeng Xu <haifeng.xu@shopee.com> Suggested-by: David Hildenbrand <david@redhat.com> Cc: Michal Hocko <mhocko@kernel.org> Cc: Mike Rapoport (IBM) <rppt@kernel.org> Cc: Oscar Salvador <osalvador@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory_hotplug.c')
-rw-r--r--mm/memory_hotplug.c18
1 files changed, 0 insertions, 18 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 5248323fc0f7..35db4108bb15 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1156,16 +1156,6 @@ failed_addition:
return ret;
}
-static void reset_node_present_pages(pg_data_t *pgdat)
-{
- struct zone *z;
-
- for (z = pgdat->node_zones; z < pgdat->node_zones + MAX_NR_ZONES; z++)
- z->present_pages = 0;
-
- pgdat->node_present_pages = 0;
-}
-
/* we are OK calling __meminit stuff here - we have CONFIG_MEMORY_HOTPLUG */
static pg_data_t __ref *hotadd_init_pgdat(int nid)
{
@@ -1188,14 +1178,6 @@ static pg_data_t __ref *hotadd_init_pgdat(int nid)
*/
build_all_zonelists(pgdat);
- /*
- * When memory is hot-added, all the memory is in offline state. So
- * clear all zones' present_pages because they will be updated in
- * online_pages() and offline_pages().
- * TODO: should be in free_area_init_core_hotplug?
- */
- reset_node_present_pages(pgdat);
-
return pgdat;
}