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Wed, 27 Aug 2025 08:26:35 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id 6HFpIzvBrmhNfgAAD6G6ig (envelope-from ); Wed, 27 Aug 2025 08:26:35 +0000 From: Vlastimil Babka Date: Wed, 27 Aug 2025 10:26:40 +0200 Subject: [PATCH v6 08/10] mm, vma: use percpu sheaves for vm_area_struct cache MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250827-slub-percpu-caches-v6-8-f0f775a3f73f@suse.cz> References: <20250827-slub-percpu-caches-v6-0-f0f775a3f73f@suse.cz> In-Reply-To: <20250827-slub-percpu-caches-v6-0-f0f775a3f73f@suse.cz> To: Suren Baghdasaryan , "Liam R. Howlett" , Christoph Lameter , David Rientjes Cc: Roman Gushchin , Harry Yoo , Uladzislau Rezki , linux-mm@kvack.org, linux-kernel@vger.kernel.org, rcu@vger.kernel.org, maple-tree@lists.infradead.org, vbabka@suse.cz X-Mailer: b4 0.14.2 X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: C11FB180006 X-Stat-Signature: 68e54ert7bujyebfww5mkjy6t68zu5j1 X-HE-Tag: 1756283215-610121 X-HE-Meta: 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 Q97EEKGR NjugBuTPtsVbyCwM9P6ygKZYO/7Jl0hFx+DzqAecT7obOjGZkhy06uHtWv59hMS7Gi4UR/c8e3c6k61IbxqjFp7shZY457Y6yMA+xjrPDMVFM7bOrcucFIy0HH7bf57PZV9j2H9P3+zosq0t+MH9oMklBQsXRkj2IszSs2ni68qv8cK6LdyYf8jeSB1l6CRM1IHw3pj46chZjoyHS5h/KxVvyfDqFwAf98kW54IFJ4W2wsnHy9Jg7UPOvmvPbxa0G6aNbWgnWGpsKURlZI+rEMQf1RQ1dhjijJfFlPudQEM+HBzFowZdPBiXu41MKGvgei0spsaWE2TXKidnAK3nyAcEbpjPTc0E2pbw7 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: List-Subscribe: List-Unsubscribe: Create the vm_area_struct cache with percpu sheaves of size 32 to improve its performance. Reviewed-by: Suren Baghdasaryan Signed-off-by: Vlastimil Babka --- mm/vma_init.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/vma_init.c b/mm/vma_init.c index 8e53c7943561e7324e7992946b4065dec1149b82..52c6b55fac4519e0da39ca75ad018e14449d1d95 100644 --- a/mm/vma_init.c +++ b/mm/vma_init.c @@ -16,6 +16,7 @@ void __init vma_state_init(void) struct kmem_cache_args args = { .use_freeptr_offset = true, .freeptr_offset = offsetof(struct vm_area_struct, vm_freeptr), + .sheaf_capacity = 32, }; vm_area_cachep = kmem_cache_create("vm_area_struct", -- 2.51.0