Gh0st
/
linux
mirror of https://github.com/torvalds/linux.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

slab: Remove folio references from kfree_nolock() 

In preparation for splitting struct slab from struct page and struct
folio, remove mentions of struct folio from this function.  Since large
kmalloc objects are not supported here, we can just use virt_to_slab().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-13-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Matthew Wilcox (Oracle) 2025-11-13 00:09:26 +00:00 committed by Vlastimil Babka
parent 7d26842fd4
commit 025f5b870b
1 changed files with 2 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
mm/slub.c
View File

@ -6850,7 +6850,6 @@ EXPORT_SYMBOL(kfree);
*/
void kfree_nolock(const void *object)
{
struct folio *folio;
struct slab *slab;
struct kmem_cache *s;
void *x = (void *)object;
@ -6858,13 +6857,12 @@ void kfree_nolock(const void *object)
if (unlikely(ZERO_OR_NULL_PTR(object)))
return;
folio = virt_to_folio(object);
if (unlikely(!folio_test_slab(folio))) {
slab = virt_to_slab(object);
if (unlikely(!slab)) {
WARN_ONCE(1, "large_kmalloc is not supported by kfree_nolock()");
return;
}
slab = folio_slab(folio);
s = slab->slab_cache;
memcg_slab_free_hook(s, slab, &x, 1);