diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-11-13 00:09:23 +0000 |
|---|---|---|
| committer | Vlastimil Babka <vbabka@suse.cz> | 2025-11-13 11:01:08 +0100 |
| commit | 5db009dc10b16056ed340a488e948855def63fca (patch) | |
| tree | df7f45e9d26feaa9ee9cc3dc301b3af87058d981 /mm/slub.c | |
| parent | e4090216859054043f8ba50866a2fb9c8e6d6b5b (diff) | |
slab: Remove folio references from __do_krealloc()
One slight tweak I made is to calculate 'ks' earlier, which means we
can reuse it in the warning rather than calculating the object size twice.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-10-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm/slub.c')
| -rw-r--r-- | mm/slub.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/slub.c b/mm/slub.c index 0386994c0cb7..d26ebae2a759 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -6932,16 +6932,16 @@ __do_krealloc(const void *p, size_t new_size, unsigned long align, gfp_t flags, if (is_kfence_address(p)) { ks = orig_size = kfence_ksize(p); } else { - struct folio *folio; + struct page *page = virt_to_page(p); + struct slab *slab = page_slab(page); - folio = virt_to_folio(p); - if (unlikely(!folio_test_slab(folio))) { + if (!slab) { /* Big kmalloc object */ - WARN_ON(folio_size(folio) <= KMALLOC_MAX_CACHE_SIZE); - WARN_ON(p != folio_address(folio)); - ks = folio_size(folio); + ks = page_size(page); + WARN_ON(ks <= KMALLOC_MAX_CACHE_SIZE); + WARN_ON(p != page_address(page)); } else { - s = folio_slab(folio)->slab_cache; + s = slab->slab_cache; orig_size = get_orig_size(s, (void *)p); ks = s->object_size; } |