The quilt patch titled
Subject: mm/page_alloc: add __alloc_frozen_pages()
has been removed from the -mm tree. Its filename was
mm-page_alloc-add-__alloc_frozen_pages.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: mm/page_alloc: add __alloc_frozen_pages()
Date: Mon, 25 Nov 2024 21:01:45 +0000
Defer the initialisation of the page refcount to the new __alloc_pages()
wrapper and turn the old __alloc_pages() into __alloc_frozen_pages().
Link: https://lkml.kernel.org/r/20241125210149.2976098-14-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Zi Yan <ziy@xxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>
Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: William Kucharski <william.kucharski@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/internal.h | 4 ++++
mm/page_alloc.c | 18 ++++++++++++++----
2 files changed, 18 insertions(+), 4 deletions(-)
--- a/mm/internal.h~mm-page_alloc-add-__alloc_frozen_pages
+++ a/mm/internal.h
@@ -740,6 +740,10 @@ extern bool free_pages_prepare(struct pa
extern int user_min_free_kbytes;
+struct page *__alloc_frozen_pages_noprof(gfp_t, unsigned int order, int nid,
+ nodemask_t *);
+#define __alloc_frozen_pages(...) \
+ alloc_hooks(__alloc_frozen_pages_noprof(__VA_ARGS__))
void free_frozen_pages(struct page *page, unsigned int order);
void free_unref_folios(struct folio_batch *fbatch);
--- a/mm/page_alloc.c~mm-page_alloc-add-__alloc_frozen_pages
+++ a/mm/page_alloc.c
@@ -4713,8 +4713,8 @@ EXPORT_SYMBOL_GPL(alloc_pages_bulk_nopro
/*
* This is the 'heart' of the zoned buddy allocator.
*/
-struct page *__alloc_pages_noprof(gfp_t gfp, unsigned int order,
- int preferred_nid, nodemask_t *nodemask)
+struct page *__alloc_frozen_pages_noprof(gfp_t gfp, unsigned int order,
+ int preferred_nid, nodemask_t *nodemask)
{
struct page *page;
unsigned int alloc_flags = ALLOC_WMARK_LOW;
@@ -4770,14 +4770,24 @@ out:
free_frozen_pages(page, order);
page = NULL;
}
- if (page)
- set_page_refcounted(page);
trace_mm_page_alloc(page, order, alloc_gfp, ac.migratetype);
kmsan_alloc_page(page, order, alloc_gfp);
return page;
}
+EXPORT_SYMBOL(__alloc_frozen_pages_noprof);
+
+struct page *__alloc_pages_noprof(gfp_t gfp, unsigned int order,
+ int preferred_nid, nodemask_t *nodemask)
+{
+ struct page *page;
+
+ page = __alloc_frozen_pages_noprof(gfp, order, preferred_nid, nodemask);
+ if (page)
+ set_page_refcounted(page);
+ return page;
+}
EXPORT_SYMBOL(__alloc_pages_noprof);
struct folio *__folio_alloc_noprof(gfp_t gfp, unsigned int order, int preferred_nid,
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
mm-remove-pagetranstail.patch
