The patch titled
Subject: mm: remove unneeded local variable in free_area_init_core
has been added to the -mm tree. Its filename is
mm-remove-unneeded-local-variable-in-free_area_init_core.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-remove-unneeded-local-variable-in-free_area_init_core.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-unneeded-local-variable-in-free_area_init_core.patch
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------------------------------------------------------
From: Baoquan He <bhe@xxxxxxxxxx>
Subject: mm: remove unneeded local variable in free_area_init_core
Local variable 'zone_start_pfn' is not needed since there's only one call
site in free_area_init_core(). Let's remove it and pass
zone->zone_start_pfn directly to init_currently_empty_zone().
Link: https://lkml.kernel.org/r/20210122135956.5946-6-bhe@xxxxxxxxxx
Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
Reviewed-by: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/page_alloc.c~mm-remove-unneeded-local-variable-in-free_area_init_core
+++ a/mm/page_alloc.c
@@ -6925,7 +6925,6 @@ static void __init free_area_init_core(s
for (j = 0; j < MAX_NR_ZONES; j++) {
struct zone *zone = pgdat->node_zones + j;
unsigned long size, freesize, memmap_pages;
- unsigned long zone_start_pfn = zone->zone_start_pfn;
size = zone->spanned_pages;
freesize = zone->present_pages;
@@ -6974,7 +6973,7 @@ static void __init free_area_init_core(s
set_pageblock_order();
setup_usemap(zone);
- init_currently_empty_zone(zone, zone_start_pfn, size);
+ init_currently_empty_zone(zone, zone->zone_start_pfn, size);
memmap_init_zone(zone);
}
}
_
Patches currently in -mm which might be from bhe@xxxxxxxxxx are
mm-fix-prototype-warning-from-kernel-test-robot.patch
mm-rename-memmap_init-and-memmap_init_zone.patch
mm-simplify-parater-of-function-memmap_init_zone.patch
mm-simplify-parameter-of-setup_usemap.patch
mm-remove-unneeded-local-variable-in-free_area_init_core.patch
