The quilt patch titled
Subject: slub: use a folio in __kmalloc_large_node
has been removed from the -mm tree. Its filename was
slub-use-a-folio-in-__kmalloc_large_node.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: slub: use a folio in __kmalloc_large_node
Date: Thu, 28 Dec 2023 08:57:46 +0000
Mirror the code in free_large_kmalloc() and alloc_pages_node() and use a
folio directly. Avoid the use of folio_alloc() as that will set up an
rmappable folio which we do not want here.
Link: https://lkml.kernel.org/r/20231228085748.1083901-5-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slab_common.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/mm/slab_common.c~slub-use-a-folio-in-__kmalloc_large_node
+++ a/mm/slab_common.c
@@ -1137,7 +1137,7 @@ gfp_t kmalloc_fix_flags(gfp_t flags)
static void *__kmalloc_large_node(size_t size, gfp_t flags, int node)
{
- struct page *page;
+ struct folio *folio;
void *ptr = NULL;
unsigned int order = get_order(size);
@@ -1145,10 +1145,10 @@ static void *__kmalloc_large_node(size_t
flags = kmalloc_fix_flags(flags);
flags |= __GFP_COMP;
- page = alloc_pages_node(node, flags, order);
- if (page) {
- ptr = page_address(page);
- mod_lruvec_page_state(page, NR_SLAB_UNRECLAIMABLE_B,
+ folio = (struct folio *)alloc_pages_node(node, flags, order);
+ if (folio) {
+ ptr = folio_address(folio);
+ lruvec_stat_mod_folio(folio, NR_SLAB_UNRECLAIMABLE_B,
PAGE_SIZE << order);
}
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
