From: Vlastimil Babka <vbabka@suse.cz>
To: Suren Baghdasaryan <surenb@google.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Christoph Lameter <cl@gentwo.org>,
David Rientjes <rientjes@google.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>,
Harry Yoo <harry.yoo@oracle.com>,
Uladzislau Rezki <urezki@gmail.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
rcu@vger.kernel.org, maple-tree@lists.infradead.org,
vbabka@suse.cz
Subject: [PATCH v6 08/10] mm, vma: use percpu sheaves for vm_area_struct cache
Date: Wed, 27 Aug 2025 10:26:40 +0200 [thread overview]
Message-ID: <20250827-slub-percpu-caches-v6-8-f0f775a3f73f@suse.cz> (raw)
In-Reply-To: <20250827-slub-percpu-caches-v6-0-f0f775a3f73f@suse.cz>
Create the vm_area_struct cache with percpu sheaves of size 32 to
improve its performance.
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---
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
next prev parent reply other threads:[~2025-08-27 8:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-27 8:26 [PATCH v6 00/10] SLUB percpu sheaves Vlastimil Babka
2025-08-27 8:26 ` [PATCH v6 01/10] slab: simplify init_kmem_cache_nodes() error handling Vlastimil Babka
2025-08-27 8:26 ` [PATCH v6 02/10] slab: add opt-in caching layer of percpu sheaves Vlastimil Babka
2025-08-28 7:43 ` Thorsten Leemhuis
2025-08-28 8:01 ` Vlastimil Babka
2025-08-28 8:53 ` Thorsten Leemhuis
2025-08-28 9:03 ` Vlastimil Babka
2025-08-28 15:00 ` Vlastimil Babka
2025-08-29 7:12 ` Thorsten Leemhuis
2025-08-27 8:26 ` [PATCH v6 03/10] slab: add sheaf support for batching kfree_rcu() operations Vlastimil Babka
2025-08-27 8:26 ` [PATCH v6 04/10] slab: sheaf prefilling for guaranteed allocations Vlastimil Babka
2025-08-27 8:26 ` [PATCH v6 05/10] slab: determine barn status racily outside of lock Vlastimil Babka
2025-08-27 8:26 ` [PATCH v6 06/10] slab: skip percpu sheaves for remote object freeing Vlastimil Babka
2025-08-27 8:26 ` [PATCH v6 07/10] slab: allow NUMA restricted allocations to use percpu sheaves Vlastimil Babka
2025-08-27 8:26 ` Vlastimil Babka [this message]
2025-09-02 11:13 ` [PATCH v6 08/10] mm, vma: use percpu sheaves for vm_area_struct cache Lorenzo Stoakes
2025-09-03 12:47 ` Vlastimil Babka
2025-09-03 13:31 ` Lorenzo Stoakes
2025-08-27 8:26 ` [PATCH v6 09/10] tools/testing: Add testing support for slab caches with sheaves Vlastimil Babka
2025-08-27 8:26 ` [PATCH v6 10/10] maple_tree: use percpu sheaves for maple_node_cache Vlastimil Babka
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250827-slub-percpu-caches-v6-8-f0f775a3f73f@suse.cz \
--to=vbabka@suse.cz \
--cc=Liam.Howlett@oracle.com \
--cc=cl@gentwo.org \
--cc=harry.yoo@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=maple-tree@lists.infradead.org \
--cc=rcu@vger.kernel.org \
--cc=rientjes@google.com \
--cc=roman.gushchin@linux.dev \
--cc=surenb@google.com \
--cc=urezki@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).