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From:   "zhaoyang.huang" <zhaoyang.huang@unisoc.com>
To:     Andrew Morton <akpm@linux-foundation.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Vlastimil Babka <vbabka@suse.cz>,
        "Nathan Chancellor" <nathan@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Zhaoyang Huang <huangzhaoyang@gmail.com>, <linux-mm@kvack.org>,
        <linux-kernel@vger.kernel.org>, <ke.wang@unisoc.com>,
        Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Subject: [PATCHv4 1/2] mm: move KMEMLEAK's Kconfig items from lib to mm
Date:   Thu, 19 Jan 2023 09:22:24 +0800
Message-ID: <1674091345-14799-1-git-send-email-zhaoyang.huang@unisoc.com>
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From: Zhaoyang Huang <zhaoyang.huang@unisoc.com>

Have the kmemleak's source code and Kconfig items be in the same directory.

Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com>
---
 lib/Kconfig.debug | 70 -------------------------------------------------------
 mm/Kconfig.debug  | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+), 70 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 401ad4b..62884ac 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -716,76 +716,6 @@ config SHRINKER_DEBUG
 	  visibility into the kernel memory shrinkers subsystem.
 	  Disable it to avoid an extra memory footprint.
 
-config HAVE_DEBUG_KMEMLEAK
-	bool
-
-config DEBUG_KMEMLEAK
-	bool "Kernel memory leak detector"
-	depends on DEBUG_KERNEL && HAVE_DEBUG_KMEMLEAK
-	select DEBUG_FS
-	select STACKTRACE if STACKTRACE_SUPPORT
-	select KALLSYMS
-	select CRC32
-	select STACKDEPOT
-	help
-	  Say Y here if you want to enable the memory leak
-	  detector. The memory allocation/freeing is traced in a way
-	  similar to the Boehm's conservative garbage collector, the
-	  difference being that the orphan objects are not freed but
-	  only shown in /sys/kernel/debug/kmemleak. Enabling this
-	  feature will introduce an overhead to memory
-	  allocations. See Documentation/dev-tools/kmemleak.rst for more
-	  details.
-
-	  Enabling DEBUG_SLAB or SLUB_DEBUG may increase the chances
-	  of finding leaks due to the slab objects poisoning.
-
-	  In order to access the kmemleak file, debugfs needs to be
-	  mounted (usually at /sys/kernel/debug).
-
-config DEBUG_KMEMLEAK_MEM_POOL_SIZE
-	int "Kmemleak memory pool size"
-	depends on DEBUG_KMEMLEAK
-	range 200 1000000
-	default 16000
-	help
-	  Kmemleak must track all the memory allocations to avoid
-	  reporting false positives. Since memory may be allocated or
-	  freed before kmemleak is fully initialised, use a static pool
-	  of metadata objects to track such callbacks. After kmemleak is
-	  fully initialised, this memory pool acts as an emergency one
-	  if slab allocations fail.
-
-config DEBUG_KMEMLEAK_TEST
-	tristate "Simple test for the kernel memory leak detector"
-	depends on DEBUG_KMEMLEAK && m
-	help
-	  This option enables a module that explicitly leaks memory.
-
-	  If unsure, say N.
-
-config DEBUG_KMEMLEAK_DEFAULT_OFF
-	bool "Default kmemleak to off"
-	depends on DEBUG_KMEMLEAK
-	help
-	  Say Y here to disable kmemleak by default. It can then be enabled
-	  on the command line via kmemleak=on.
-
-config DEBUG_KMEMLEAK_AUTO_SCAN
-	bool "Enable kmemleak auto scan thread on boot up"
-	default y
-	depends on DEBUG_KMEMLEAK
-	help
-	  Depending on the cpu, kmemleak scan may be cpu intensive and can
-	  stall user tasks at times. This option enables/disables automatic
-	  kmemleak scan at boot up.
-
-	  Say N here to disable kmemleak auto scan thread to stop automatic
-	  scanning. Disabling this option disables automatic reporting of
-	  memory leaks.
-
-	  If unsure, say Y.
-
 config DEBUG_STACK_USAGE
 	bool "Stack utilization instrumentation"
 	depends on DEBUG_KERNEL && !IA64
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index ce8dded..d1893ac 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -207,3 +207,73 @@ config PTDUMP_DEBUGFS
 	  kernel.
 
 	  If in doubt, say N.
+
+config HAVE_DEBUG_KMEMLEAK
+	bool
+
+config DEBUG_KMEMLEAK
+	bool "Kernel memory leak detector"
+	depends on DEBUG_KERNEL && HAVE_DEBUG_KMEMLEAK
+	select DEBUG_FS
+	select STACKTRACE if STACKTRACE_SUPPORT
+	select KALLSYMS
+	select CRC32
+	select STACKDEPOT
+	help
+	  Say Y here if you want to enable the memory leak
+	  detector. The memory allocation/freeing is traced in a way
+	  similar to the Boehm's conservative garbage collector, the
+	  difference being that the orphan objects are not freed but
+	  only shown in /sys/kernel/debug/kmemleak. Enabling this
+	  feature will introduce an overhead to memory
+	  allocations. See Documentation/dev-tools/kmemleak.rst for more
+	  details.
+
+	  Enabling DEBUG_SLAB or SLUB_DEBUG may increase the chances
+	  of finding leaks due to the slab objects poisoning.
+
+	  In order to access the kmemleak file, debugfs needs to be
+	  mounted (usually at /sys/kernel/debug).
+
+config DEBUG_KMEMLEAK_MEM_POOL_SIZE
+	int "Kmemleak memory pool size"
+	depends on DEBUG_KMEMLEAK
+	range 200 1000000
+	default 16000
+	help
+	  Kmemleak must track all the memory allocations to avoid
+	  reporting false positives. Since memory may be allocated or
+	  freed before kmemleak is fully initialised, use a static pool
+	  of metadata objects to track such callbacks. After kmemleak is
+	  fully initialised, this memory pool acts as an emergency one
+	  if slab allocations fail.
+
+config DEBUG_KMEMLEAK_TEST
+	tristate "Simple test for the kernel memory leak detector"
+	depends on DEBUG_KMEMLEAK && m
+	help
+	  This option enables a module that explicitly leaks memory.
+
+	  If unsure, say N.
+
+config DEBUG_KMEMLEAK_DEFAULT_OFF
+	bool "Default kmemleak to off"
+	depends on DEBUG_KMEMLEAK
+	help
+	  Say Y here to disable kmemleak by default. It can then be enabled
+	  on the command line via kmemleak=on.
+
+config DEBUG_KMEMLEAK_AUTO_SCAN
+	bool "Enable kmemleak auto scan thread on boot up"
+	default y
+	depends on DEBUG_KMEMLEAK
+	help
+	  Depending on the cpu, kmemleak scan may be cpu intensive and can
+	  stall user tasks at times. This option enables/disables automatic
+	  kmemleak scan at boot up.
+
+	  Say N here to disable kmemleak auto scan thread to stop automatic
+	  scanning. Disabling this option disables automatic reporting of
+	  memory leaks.
+
+	  If unsure, say Y.
-- 
1.9.1