linux-kernel - [PATCH v2] Documentation: kernel-parameters: remove slab_max

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Date:   Wed, 22 Nov 2023 22:36:03 +0800
From:   sxwjean@...com
To:     42.hyeyoo@...il.com, vbabka@...e.cz, linux-mm@...ck.org
Cc:     cl@...ux.com, penberg@...nel.org, rientjes@...gle.com,
        iamjoonsoo.kim@....com, akpm@...ux-foundation.org,
        roman.gushchin@...ux.dev, corbet@....net,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Xiongwei Song <xiongwei.song@...driver.com>
Subject: [PATCH v2] Documentation: kernel-parameters: remove slab_max_order and noaliencache

From: Xiongwei Song <xiongwei.song@...driver.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@...driver.com>
---
v2: Hyeonggon Yoo <42.hyeyoo@...il.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