The patch titled
Subject: mm/page_owner.c: clean up init_pages_in_zone()
has been removed from the -mm tree. Its filename was
mm-page_owner-clean-up-init_pages_in_zone.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Oscar Salvador <osalvador@xxxxxxxxxxxxxxxxxx>
Subject: mm/page_owner.c: clean up init_pages_in_zone()
Remove two redundant assignments in init_pages_in_zone().
[osalvador@xxxxxxxxxxxxxxxxxx: v3]
Link: http://lkml.kernel.org/r/20180117124513.GA876@xxxxxxxxxxxxxxxxxx
[akpm@xxxxxxxxxxxxxxxxxxxx: coding style tweaks]
Link: http://lkml.kernel.org/r/20180110084355.GA22822@xxxxxxxxxxxxxxxxxx
Signed-off-by: Oscar Salvador <osalvador@xxxxxxxxxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_owner.c | 16 +++++++---------
1 file changed, 7 insertions(+), 9 deletions(-)
diff -puN mm/page_owner.c~mm-page_owner-clean-up-init_pages_in_zone mm/page_owner.c
--- a/mm/page_owner.c~mm-page_owner-clean-up-init_pages_in_zone
+++ a/mm/page_owner.c
@@ -528,21 +528,18 @@ read_page_owner(struct file *file, char
static void init_pages_in_zone(pg_data_t *pgdat, struct zone *zone)
{
- struct page *page;
- struct page_ext *page_ext;
- unsigned long pfn = zone->zone_start_pfn, block_end_pfn;
- unsigned long end_pfn = pfn + zone->spanned_pages;
+ unsigned long pfn = zone->zone_start_pfn;
+ unsigned long end_pfn = zone_end_pfn(zone);
unsigned long count = 0;
- /* Scan block by block. First and last block may be incomplete */
- pfn = zone->zone_start_pfn;
-
/*
* Walk the zone in pageblock_nr_pages steps. If a page block spans
* a zone boundary, it will be double counted between zones. This does
* not matter as the mixed block count will still be correct
*/
for (; pfn < end_pfn; ) {
+ unsigned long block_end_pfn;
+
if (!pfn_valid(pfn)) {
pfn = ALIGN(pfn + 1, MAX_ORDER_NR_PAGES);
continue;
@@ -551,9 +548,10 @@ static void init_pages_in_zone(pg_data_t
block_end_pfn = ALIGN(pfn + 1, pageblock_nr_pages);
block_end_pfn = min(block_end_pfn, end_pfn);
- page = pfn_to_page(pfn);
-
for (; pfn < block_end_pfn; pfn++) {
+ struct page *page;
+ struct page_ext *page_ext;
+
if (!pfn_valid_within(pfn))
continue;
_
Patches currently in -mm which might be from osalvador@xxxxxxxxxxxxxxxxxx are
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