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UPSTREAM: BACKPORT: mm/page_alloc: don't pass pfn to free_unref_page_commit()

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free_unref_page_commit() doesn't make use of its pfn argument, so get
rid of it.

Link: https://lkml.kernel.org/r/20220202140451.415928-1-nsaenzju@redhat.com
Signed-off-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 566513775d)

Bug: 230899966
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: Ica1c200408ff1f91589cb2ed28c4fac0ce0c62f8
This commit is contained in:
Nicolas Saenz Julienne
2022-04-28 08:56:15 -07:00
committed by Minchan Kim
parent 5707719280
commit e70a2e110b
1 changed files with 5 additions and 10 deletions
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15
mm/page_alloc.c
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@@ -3342,8 +3342,7 @@ static bool free_unref_page_prepare(struct page *page, unsigned long pfn)
return true;
}
static void free_unref_page_commit(struct page *page, unsigned long pfn,
int migratetype)
static void free_unref_page_commit(struct page *page, int migratetype)
{
struct zone *zone = page_zone(page);
struct per_cpu_pages *pcp;
@@ -3388,7 +3387,7 @@ void free_unref_page(struct page *page)
}
local_irq_save(flags);
free_unref_page_commit(page, pfn, migratetype);
free_unref_page_commit(page, migratetype);
local_irq_restore(flags);
}
@@ -3398,13 +3397,13 @@ void free_unref_page(struct page *page)
void free_unref_page_list(struct list_head *list)
{
struct page *page, *next;
unsigned long flags, pfn;
unsigned long flags;
int batch_count = 0;
int migratetype;
/* Prepare pages for freeing */
list_for_each_entry_safe(page, next, list, lru) {
pfn = page_to_pfn(page);
unsigned long pfn = page_to_pfn(page);
if (!free_unref_page_prepare(page, pfn))
list_del(&page->lru);
@@ -3428,17 +3427,13 @@ void free_unref_page_list(struct list_head *list)
if (migratetype == MIGRATE_HIGHATOMIC)
set_pcppage_migratetype(page, MIGRATE_MOVABLE);
}
set_page_private(page, pfn);
}
local_irq_save(flags);
list_for_each_entry_safe(page, next, list, lru) {
pfn = page_private(page);
set_page_private(page, 0);
migratetype = get_pcppage_migratetype(page);
trace_mm_page_free_batched(page);
free_unref_page_commit(page, pfn, migratetype);
free_unref_page_commit(page, migratetype);
/*
* Guard against excessive IRQ disabled times when we get