linux-kernel - [PATCH] mm/slub: fix help comment of SLUB_DEBUG[

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Message-Id: <20230222232058.66971-1-vernon2gm@gmail.com>
Date:   Thu, 23 Feb 2023 07:20:58 +0800
From:   Vernon Yang <vernon2gm@...il.com>
To:     akpm@...ux-foundation.org, vbabka@...e.cz
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Vernon Yang <vernon2gm@...il.com>
Subject: [PATCH] mm/slub: fix help comment of SLUB_DEBUG[_ON]

Since commit 081248de0a02 ("kset: move /sys/slab to /sys/kernel/slab"),
the SYSFS path of slab was modified, so fix up the help comment of
SLUB_DEBUG to use the correct one.

And now the "slub_debug" parameter on boot that is support for more
fine grained debug control, so fix up help comment of SLUB_DEBUG_ON
for "no support" to "support".

Signed-off-by: Vernon Yang <vernon2gm@...il.com>
---
 mm/Kconfig.debug | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index fca699ad1fb0..732043bf56c6 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -61,8 +61,8 @@ config SLUB_DEBUG
 	help
 	  SLUB has extensive debug support features. Disabling these can
 	  result in significant savings in code size. This also disables
-	  SLUB sysfs support. /sys/slab will not exist and there will be
-	  no support for cache validation etc.
+	  SLUB sysfs support. /sys/kernel/slab will not exist and there
+	  will be no support for cache validation etc.
 
 config SLUB_DEBUG_ON
 	bool "SLUB debugging on by default"
@@ -73,10 +73,10 @@ config SLUB_DEBUG_ON
 	  Boot with debugging on by default. SLUB boots by default with
 	  the runtime debug capabilities switched off. Enabling this is
 	  equivalent to specifying the "slub_debug" parameter on boot.
-	  There is no support for more fine grained debug control like
-	  possible with slub_debug=xxx. SLUB debugging may be switched
-	  off in a kernel built with CONFIG_SLUB_DEBUG_ON by specifying
-	  "slub_debug=-".
+	  There is support for more fine grained debug control like
+	  possible with slub_debug=xxx, details in Documentation/mm/slub.rst.
+	  SLUB debugging may be switched off in a kernel built with
+	  CONFIG_SLUB_DEBUG_ON by specifying "slub_debug=-".
 
 config PAGE_OWNER
 	bool "Track page owner"
-- 
2.34.1