The patch titled Subject: mm, slub: introduce kmem_cache_debug_flags()-fix has been removed from the -mm tree. Its filename was mm-slub-introduce-kmem_cache_debug_flags-fix.patch This patch was dropped because it was folded into mm-slub-introduce-kmem_cache_debug_flags.patch ------------------------------------------------------ From: Vlastimil Babka <vbabka@xxxxxxx> Subject: mm, slub: introduce kmem_cache_debug_flags()-fix Change return from int to bool, per Kees. Add VM_WARN_ON_ONCE() for invalid flags, per Roman. Link: http://lkml.kernel.org/r/949b90ed-e0f0-07d7-4d21-e30ec0958a7c@xxxxxxx Signed-off-by: Vlastimil Babka <vbabka@xxxxxxx> Acked-by: Roman Gushchin <guro@xxxxxx> Acked-by: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: Jann Horn <jannh@xxxxxxxxxx> Cc: Vijayanand Jitta <vjitta@xxxxxxxxxxxxxx> Cc: David Rientjes <rientjes@xxxxxxxxxx> Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> Cc: Pekka Enberg <penberg@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/slub.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/mm/slub.c~mm-slub-introduce-kmem_cache_debug_flags-fix +++ a/mm/slub.c @@ -127,16 +127,17 @@ DEFINE_STATIC_KEY_FALSE(slub_debug_enabl * cache. Use only for flags parsed by setup_slub_debug() as it also enables * the static key. */ -static inline int kmem_cache_debug_flags(struct kmem_cache *s, slab_flags_t flags) +static inline bool kmem_cache_debug_flags(struct kmem_cache *s, slab_flags_t flags) { + VM_WARN_ON_ONCE(!(flags & SLAB_DEBUG_FLAGS)); #ifdef CONFIG_SLUB_DEBUG if (static_branch_unlikely(&slub_debug_enabled)) return s->flags & flags; #endif - return 0; + return false; } -static inline int kmem_cache_debug(struct kmem_cache *s) +static inline bool kmem_cache_debug(struct kmem_cache *s) { return kmem_cache_debug_flags(s, SLAB_DEBUG_FLAGS); } _ Patches currently in -mm which might be from vbabka@xxxxxxx are mm-slub-extend-slub_debug-syntax-for-multiple-blocks.patch mm-slub-make-some-slub_debug-related-attributes-read-only.patch mm-slub-remove-runtime-allocation-order-changes.patch mm-slub-make-remaining-slub_debug-related-attributes-read-only.patch mm-slub-make-reclaim_account-attribute-read-only.patch mm-slub-introduce-static-key-for-slub_debug.patch mm-slub-introduce-kmem_cache_debug_flags.patch mm-slub-extend-checks-guarded-by-slub_debug-static-key.patch mm-slab-slub-move-and-improve-cache_from_obj.patch mm-slab-slub-improve-error-reporting-and-overhead-of-cache_from_obj.patch mm-slab-slub-improve-error-reporting-and-overhead-of-cache_from_obj-fix.patch mm-page_alloc-use-unlikely-in-task_capc.patch