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[2003:cb:c706:9e00:229d:4a10:2574:c6fa]) by smtp.gmail.com with ESMTPSA id 14-20020adf828e000000b00205b0fc825csm1749308wrc.65.2022.04.01.03.29.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 01 Apr 2022 03:29:14 -0700 (PDT) Message-ID: <2981c978-2e00-5e6a-a9c5-4c82f184430d@redhat.com> Date: Fri, 1 Apr 2022 12:29:13 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.2 Subject: Re: [PATCH] mm/slab: remove some unused functions Content-Language: en-US To: Miaohe Lin , cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, vbabka@suse.cz Cc: roman.gushchin@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20220322091421.25285-1-linmiaohe@huawei.com> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20220322091421.25285-1-linmiaohe@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 22.03.22 10:14, Miaohe Lin wrote: > alternate_node_alloc and ____cache_alloc_node are always called when > CONFIG_NUMA. So we can remove the unused !CONFIG_NUMA variant. Also > forward declaration for alternate_node_alloc is unnecessary. Remove > it too. > > Signed-off-by: Miaohe Lin > --- > mm/slab.c | 13 ------------- > 1 file changed, 13 deletions(-) > > diff --git a/mm/slab.c b/mm/slab.c > index d9dec7a8fd79..81301df47057 100644 > --- a/mm/slab.c > +++ b/mm/slab.c > @@ -619,18 +619,6 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp) > return 0; > } > > -static inline void *alternate_node_alloc(struct kmem_cache *cachep, > - gfp_t flags) > -{ > - return NULL; > -} > - > -static inline void *____cache_alloc_node(struct kmem_cache *cachep, > - gfp_t flags, int nodeid) > -{ > - return NULL; > -} > - > static inline gfp_t gfp_exact_node(gfp_t flags) > { > return flags & ~__GFP_NOFAIL; > @@ -639,7 +627,6 @@ static inline gfp_t gfp_exact_node(gfp_t flags) > #else /* CONFIG_NUMA */ > > static void *____cache_alloc_node(struct kmem_cache *, gfp_t, int); > -static void *alternate_node_alloc(struct kmem_cache *, gfp_t); > > static struct alien_cache *__alloc_alien_cache(int node, int entries, > int batch, gfp_t gfp) Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb