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slub: use a folio in __kmalloc_large_node 

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@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: David Rientjes <rientjes@google.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-12-28 08:57:46 +00:00 committed by Andrew Morton
parent 2443fb5bec
commit 82feeaa009
1 changed files with 5 additions and 5 deletions
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10
mm/slab_common.c
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@ -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 size, gfp_t flags, int node)
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);
}