The patch titled
Subject: mm: simplify parameter of setup_usemap()
has been added to the -mm tree. Its filename is
mm-simplify-parameter-of-setup_usemap.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-simplify-parameter-of-setup_usemap.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-simplify-parameter-of-setup_usemap.patch
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------------------------------------------------------
From: Baoquan He <bhe@xxxxxxxxxx>
Subject: mm: simplify parameter of setup_usemap()
Parameter 'zone' has got needed information, let's remove other
unnecessary parameters.
Link: https://lkml.kernel.org/r/20210122135956.5946-5-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 | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
--- a/mm/page_alloc.c~mm-simplify-parameter-of-setup_usemap
+++ a/mm/page_alloc.c
@@ -6763,25 +6763,22 @@ static unsigned long __init usemap_size(
return usemapsize / 8;
}
-static void __ref setup_usemap(struct pglist_data *pgdat,
- struct zone *zone,
- unsigned long zone_start_pfn,
- unsigned long zonesize)
+static void __ref setup_usemap(struct zone *zone)
{
- unsigned long usemapsize = usemap_size(zone_start_pfn, zonesize);
+ unsigned long usemapsize = usemap_size(zone->zone_start_pfn,
+ zone->spanned_pages);
zone->pageblock_flags = NULL;
if (usemapsize) {
zone->pageblock_flags =
memblock_alloc_node(usemapsize, SMP_CACHE_BYTES,
- pgdat->node_id);
+ zone_to_nid(zone));
if (!zone->pageblock_flags)
panic("Failed to allocate %ld bytes for zone %s pageblock flags on node %d\n",
- usemapsize, zone->name, pgdat->node_id);
+ usemapsize, zone->name, zone_to_nid(zone));
}
}
#else
-static inline void setup_usemap(struct pglist_data *pgdat, struct zone *zone,
- unsigned long zone_start_pfn, unsigned long zonesize) {}
+static inline void setup_usemap(struct zone *zone) {}
#endif /* CONFIG_SPARSEMEM */
#ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE
@@ -6976,7 +6973,7 @@ static void __init free_area_init_core(s
continue;
set_pageblock_order();
- setup_usemap(pgdat, zone, zone_start_pfn, size);
+ setup_usemap(zone);
init_currently_empty_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
