From: Matthew Wilcox <willy@infradead.org>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: linux-mm@kvack.org, Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Pekka Enberg <penberg@kernel.org>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Alexander Potapenko <glider@google.com>,
Andrey Konovalov <andreyknvl@gmail.com>,
Dmitry Vyukov <dvyukov@google.com>,
kasan-dev@googlegroups.com
Subject: Re: [RFC PATCH 24/32] mm/kasan: Convert to struct slab
Date: Tue, 16 Nov 2021 18:17:06 +0000 [thread overview]
Message-ID: <YZP1olbNmm6FAzuq@casper.infradead.org> (raw)
In-Reply-To: <20211116001628.24216-25-vbabka@suse.cz>
On Tue, Nov 16, 2021 at 01:16:20AM +0100, Vlastimil Babka wrote:
> @@ -411,12 +412,12 @@ void __kasan_slab_free_mempool(void *ptr, unsigned long ip)
> * !PageSlab() when the size provided to kmalloc is larger than
> * KMALLOC_MAX_SIZE, and kmalloc falls back onto page_alloc.
> */
> - if (unlikely(!PageSlab(page))) {
> + if (unlikely(!folio_test_slab(folio))) {
> if (____kasan_kfree_large(ptr, ip))
> return;
> - kasan_poison(ptr, page_size(page), KASAN_FREE_PAGE, false);
> + kasan_poison(ptr, folio_size(folio), KASAN_FREE_PAGE, false);
> } else {
> - ____kasan_slab_free(page->slab_cache, ptr, ip, false, false);
> + ____kasan_slab_free(folio_slab(folio)->slab_cache, ptr, ip, false, false);
I'd avoid this long line by doing:
struct slab *slab = folio_slab(folio);
____kasan_slab_free(slab->slab_cache, ptr, ip, false, false);
next prev parent reply other threads:[~2021-11-16 21:41 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-16 0:15 [RFC PATCH 00/32] Separate struct slab from struct page Vlastimil Babka
2021-11-16 0:15 ` [RFC PATCH 01/32] mm/slab: Dissolve slab_map_pages() in its caller Vlastimil Babka
2021-11-16 0:15 ` [RFC PATCH 02/32] mm/slub: Make object_err() static Vlastimil Babka
2021-11-16 0:15 ` [RFC PATCH 03/32] mm: Split slab into its own type Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 04/32] mm: Add account_slab() and unaccount_slab() Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 05/32] mm: Convert virt_to_cache() to use struct slab Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 06/32] mm: Convert __ksize() to " Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 07/32] mm: Use struct slab in kmem_obj_info() Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 08/32] mm: Convert check_heap_object() to use struct slab Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 09/32] mm/slub: Convert detached_freelist to use a " Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 10/32] mm/slub: Convert kfree() " Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 11/32] mm/slub: Convert __slab_lock() and __slab_unlock() to " Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 12/32] mm/slub: Convert print_page_info() to print_slab_info() Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 13/32] mm/slub: Convert alloc_slab_page() to return a struct slab Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 14/32] mm/slub: Convert __free_slab() to use " Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 15/32] mm/slub: Convert pfmemalloc_match() to take a " Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 16/32] mm/slub: Convert most struct page to struct slab by spatch Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 17/32] mm/slub: Finish struct page to struct slab conversion Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 18/32] mm/slab: Convert kmem_getpages() and kmem_freepages() to struct slab Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 19/32] mm/slab: Convert most struct page to struct slab by spatch Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 20/32] mm/slab: Finish struct page to struct slab conversion Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 21/32] mm: Convert struct page to struct slab in functions used by other subsystems Vlastimil Babka
2021-11-16 14:02 ` Andrey Konovalov
2021-11-16 16:32 ` Vlastimil Babka
2021-11-16 23:04 ` Andrey Konovalov
2021-11-16 23:37 ` Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 22/32] mm/memcg: Convert slab objcgs from struct page to struct slab Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 23/32] mm/slob: Convert SLOB to use " Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 24/32] mm/kasan: Convert to " Vlastimil Babka
2021-11-16 13:58 ` Andrey Konovalov
2021-11-16 18:17 ` Matthew Wilcox [this message]
2021-11-16 0:16 ` [RFC PATCH 25/32] mm/kfence: Convert kfence_guarded_alloc() " Vlastimil Babka
2021-11-17 7:00 ` Marco Elver
2021-11-16 0:16 ` [RFC PATCH 26/32] zsmalloc: Stop using slab fields in struct page Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 27/32] bootmem: Use page->index instead of page->freelist Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 28/32] iommu: Use put_pages_list Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 29/32] mm: Remove slab from struct page Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 30/32] mm/sl*b: Differentiate struct slab fields by sl*b implementations Vlastimil Babka
2021-11-17 7:00 ` Marco Elver
2021-11-16 0:16 ` [RFC PATCH 31/32] mm/slub: Simplify struct slab slabs field definition Vlastimil Babka
2021-11-16 0:16 ` [RFC PATCH 32/32] mm/slub: Define struct slab fields for CONFIG_SLUB_CPU_PARTIAL only when enabled Vlastimil Babka
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