From: Andrew Morton <akpm@linux-foundation.org>
To: Feng Tang <feng.tang@intel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>,
Christoph Lameter <cl@linux.com>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Roman Gushchin <roman.gushchin@linux.dev>,
Hyeonggon Yoo <42.hyeyoo@gmail.com>,
Andrey Konovalov <andreyknvl@gmail.com>,
Dmitry Vyukov <dvyukov@google.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Alexander Potapenko <glider@google.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
linux-mm@kvack.org, kasan-dev@googlegroups.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -next 1/2] mm/slab: add is_kmalloc_cache() helper macro
Date: Mon, 21 Nov 2022 12:19:38 -0800 [thread overview]
Message-ID: <20221121121938.1f202880ffe6bb18160ef785@linux-foundation.org> (raw)
In-Reply-To: <20221121135024.1655240-1-feng.tang@intel.com>
On Mon, 21 Nov 2022 21:50:23 +0800 Feng Tang <feng.tang@intel.com> wrote:
> +#ifndef CONFIG_SLOB
> +#define is_kmalloc_cache(s) ((s)->flags & SLAB_KMALLOC)
> +#else
> +#define is_kmalloc_cache(s) (false)
> +#endif
Could be implemented as a static inline C function, yes?
If so, that's always best. For (silly) example, consider the behaviour
of
x = is_kmalloc_cache(s++);
with and without CONFIG_SLOB.
next prev parent reply other threads:[~2022-11-21 20:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-21 13:50 [PATCH -next 1/2] mm/slab: add is_kmalloc_cache() helper macro Feng Tang
2022-11-21 13:50 ` [PATCH -next 2/2] mm/kasan: simplify is_kmalloc check Feng Tang
2022-11-21 14:13 ` Feng Tang
2022-11-21 15:15 ` Andrey Konovalov
2022-11-22 6:53 ` Feng Tang
2022-11-22 9:57 ` Andrey Konovalov
2022-11-21 20:19 ` Andrew Morton [this message]
2022-11-22 5:30 ` [PATCH -next 1/2] mm/slab: add is_kmalloc_cache() helper macro Feng Tang
2022-11-22 23:17 ` Andrew Morton
2022-11-23 9:21 ` Vlastimil Babka
2022-11-23 12:17 ` Feng Tang
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