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dkim=none ("invalid DKIM record") header.d=intel.com header.s=Intel header.b=HI8jWgqP; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf23.hostedemail.com: domain of feng.tang@intel.com designates 134.134.136.126 as permitted sender) smtp.mailfrom=feng.tang@intel.com X-Stat-Signature: 9mbebhucuwdbwgfdkr1dnmry8go44cp6 X-HE-Tag: 1669038807-198243 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: commit 6edf2576a6cc ("mm/slub: enable debugging memory wasting of kmalloc") introduces 'SLAB_KMALLOC' bit specifying whether a kmem_cache is a kmalloc cache for slab/slub (slob doesn't have dedicated kmalloc caches). Add a helper macro for other components like kasan to simplify code. Signed-off-by: Feng Tang --- include/linux/slab.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/slab.h b/include/linux/slab.h index 1c670c16c737..ee6499088ad3 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -758,6 +758,12 @@ extern void kvfree_sensitive(const void *addr, size_t len); unsigned int kmem_cache_size(struct kmem_cache *s); +#ifndef CONFIG_SLOB +#define is_kmalloc_cache(s) ((s)->flags & SLAB_KMALLOC) +#else +#define is_kmalloc_cache(s) (false) +#endif + /** * kmalloc_size_roundup - Report allocation bucket size for the given size *