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From: sxwjean@me.com
To: 42.hyeyoo@gmail.com, vbabka@suse.cz, linux-mm@kvack.org
Cc: cl@linux.com, penberg@kernel.org, rientjes@google.com,
	iamjoonsoo.kim@lge.com, akpm@linux-foundation.org,
	roman.gushchin@linux.dev, corbet@lwn.net,
	linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
	Xiongwei Song <xiongwei.song@windriver.com>
Subject: [PATCH v2] Documentation: kernel-parameters: remove slab_max_order and noaliencache
Date: Wed, 22 Nov 2023 22:36:03 +0800	[thread overview]
Message-ID: <20231122143603.85297-1-sxwjean@me.com> (raw)

From: Xiongwei Song <xiongwei.song@windriver.com>

Since slab allocator has already been removed. There is no users about
slab_max_order and noaliencache, so let's remove them.

Signed-off-by: Xiongwei Song <xiongwei.song@windriver.com>
---
v2: Hyeonggon Yoo <42.hyeyoo@gmail.com> suggested that noaliencache should be
removed too. Here adding this change. The patch is based on [1].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git/log/?h=slab-remove-slab-v2r1

v1: https://lore.kernel.org/linux-mm/20231120091214.150502-1-sxwjean@me.com/T/#m55ebb45851bc86d650baf65dfe8296d33c5b1126
---
 Documentation/admin-guide/kernel-parameters.txt | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 65731b060e3f..d56a5beefe24 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3740,10 +3740,6 @@
 	no5lvl		[X86-64,RISCV] Disable 5-level paging mode. Forces
 			kernel to use 4-level paging instead.
 
-	noaliencache	[MM, NUMA, SLAB] Disables the allocation of alien
-			caches in the slab allocator.  Saves per-node memory,
-			but will impact performance.
-
 	noalign		[KNL,ARM]
 
 	noaltinstr	[S390] Disables alternative instructions patching
@@ -5887,12 +5883,6 @@
 			own.
 			For more information see Documentation/mm/slub.rst.
 
-	slab_max_order=	[MM, SLAB]
-			Determines the maximum allowed order for slabs.
-			A high setting may cause OOMs due to memory
-			fragmentation.  Defaults to 1 for systems with
-			more than 32MB of RAM, 0 otherwise.
-
 	slub_debug[=options[,slabs][;[options[,slabs]]...]	[MM, SLUB]
 			Enabling slub_debug allows one to determine the
 			culprit if slab objects become corrupted. Enabling
-- 
2.34.1



             reply	other threads:[~2023-11-22 14:36 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-22 14:36 sxwjean [this message]
2023-11-23  0:33 ` Hyeonggon Yoo
2023-11-24 11:24 ` Vlastimil Babka
2023-11-26  7:25   ` Song, Xiongwei
2023-11-27 12:02     ` Vlastimil Babka
2023-11-28  5:18       ` Song, Xiongwei
2023-11-27  0:26   ` Hyeonggon Yoo
2023-11-27 11:52     ` Vlastimil Babka

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