The patch titled
Subject: mm: page_alloc: Simplify __free_pages_ok()
has been added to the -mm mm-unstable branch. Its filename is
mm-page_alloc-simplify-__free_pages_ok.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-page_alloc-simplify-__free_pages_ok.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Yajun Deng <yajun.deng@xxxxxxxxx>
Subject: mm: page_alloc: Simplify __free_pages_ok()
Date: Sat, 16 Dec 2023 11:05:03 +0800
There is redundant code in __free_pages_ok(). Use free_one_page()
simplify it.
Link: https://lkml.kernel.org/r/20231216030503.2126130-1-yajun.deng@xxxxxxxxx
Signed-off-by: Yajun Deng <yajun.deng@xxxxxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/page_alloc.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
--- a/mm/page_alloc.c~mm-page_alloc-simplify-__free_pages_ok
+++ a/mm/page_alloc.c
@@ -1255,7 +1255,6 @@ static void free_one_page(struct zone *z
static void __free_pages_ok(struct page *page, unsigned int order,
fpi_t fpi_flags)
{
- unsigned long flags;
int migratetype;
unsigned long pfn = page_to_pfn(page);
struct zone *zone = page_zone(page);
@@ -1270,13 +1269,7 @@ static void __free_pages_ok(struct page
*/
migratetype = get_pfnblock_migratetype(page, pfn);
- spin_lock_irqsave(&zone->lock, flags);
- if (unlikely(has_isolate_pageblock(zone) ||
- is_migrate_isolate(migratetype))) {
- migratetype = get_pfnblock_migratetype(page, pfn);
- }
- __free_one_page(page, pfn, zone, order, migratetype, fpi_flags);
- spin_unlock_irqrestore(&zone->lock, flags);
+ free_one_page(zone, page, pfn, order, migratetype, fpi_flags);
__count_vm_events(PGFREE, 1 << order);
}
_
Patches currently in -mm which might be from yajun.deng@xxxxxxxxx are
mm-page_alloc-simplify-__free_pages_ok.patch
