From: sxwjean@me.com
To: vbabka@suse.cz, 42.hyeyoo@gmail.com, cl@linux.com, linux-mm@kvack.org
Cc: penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com,
roman.gushchin@linux.dev, corbet@lwn.net, keescook@chromium.org,
arnd@arndb.de, akpm@linux-foundation.org,
gregkh@linuxfoundation.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
Xiongwei Song <xiongwei.song@windriver.com>
Subject: [PATCH 3/3] mm/slub: correct the default value of slub_min_objects in doc
Date: Fri, 1 Dec 2023 11:15:05 +0800 [thread overview]
Message-ID: <20231201031505.286117-4-sxwjean@me.com> (raw)
In-Reply-To: <20231201031505.286117-1-sxwjean@me.com>
From: Xiongwei Song <xiongwei.song@windriver.com>
There is no a value assigned to slub_min_objects by default, it awlays
is 0 that is intailized by compiler if no assigned value by command line.
min_objects is calculated based on proccessor numbers in
calculate_order(). For more details, see commit 9b2cd506e5f2 ("slub:
Calculate min_objects based on number of processors.")
Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com>
---
Documentation/mm/slub.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/mm/slub.rst b/Documentation/mm/slub.rst
index be75971532f5..1f4399581449 100644
--- a/Documentation/mm/slub.rst
+++ b/Documentation/mm/slub.rst
@@ -150,7 +150,7 @@ list_lock once in a while to deal with partial slabs. That overhead is
governed by the order of the allocation for each slab. The allocations
can be influenced by kernel parameters:
-.. slub_min_objects=x (default 4)
+.. slub_min_objects=x (default 0)
.. slub_min_order=x (default 0)
.. slub_max_order=x (default 3 (PAGE_ALLOC_COSTLY_ORDER))
--
2.34.1
next prev parent reply other threads:[~2023-12-01 3:16 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-01 3:15 [PATCH 0/3] supplyment of slab allocator removal sxwjean
2023-12-01 3:15 ` [PATCH 1/3] Documentation: kernel-parameters: remove noaliencache sxwjean
2023-12-01 17:45 ` Kees Cook
2023-12-01 3:15 ` [RFC PATCH 2/3] mm/slub: unify all sl[au]b parameters with "slab_$param" sxwjean
2023-12-01 17:47 ` Kees Cook
2023-12-02 4:23 ` Song, Xiongwei
2023-12-02 18:12 ` Vlastimil Babka
2023-12-02 21:30 ` Kees Cook
2023-12-06 14:59 ` Vlastimil Babka
2023-12-01 3:15 ` sxwjean [this message]
2023-12-01 17:50 ` [PATCH 3/3] mm/slub: correct the default value of slub_min_objects in doc Kees Cook
2023-12-02 4:22 ` Song, Xiongwei
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