From 0cfb79b8d4d08037355eac7fb70f04465c1f57af Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Thu, 11 Jun 2009 13:24:13 +0100 Subject: [PATCH] --- yaml --- r: 147741 b: refs/heads/master c: 3bba00d7bdd57cb7aa739b751fa0a1fbbb04dc18 h: refs/heads/master i: 147739: e387777e43e3b85e4e05cfd368b459dabc4cdb7b v: v3 --- [refs] | 2 +- trunk/lib/Kconfig.debug | 22 ++++++++++++++++++++++ trunk/mm/Makefile | 1 + 3 files changed, 24 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 05efd8ca14ef..40d19775858d 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 2e1483c995bbd0fa6cbd055ad76088a520799ba4 +refs/heads/master: 3bba00d7bdd57cb7aa739b751fa0a1fbbb04dc18 diff --git a/trunk/lib/Kconfig.debug b/trunk/lib/Kconfig.debug index 6cdcf38f2da9..5cc3506574e9 100644 --- a/trunk/lib/Kconfig.debug +++ b/trunk/lib/Kconfig.debug @@ -336,6 +336,28 @@ config SLUB_STATS out which slabs are relevant to a particular load. Try running: slabinfo -DA +config DEBUG_KMEMLEAK + bool "Kernel memory leak detector" + depends on DEBUG_KERNEL && EXPERIMENTAL && (X86 || ARM) && \ + !MEMORY_HOTPLUG + select DEBUG_SLAB if SLAB + select SLUB_DEBUG if SLUB + select DEBUG_FS if SYSFS + select STACKTRACE if STACKTRACE_SUPPORT + select KALLSYMS + 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/kmemleak.txt for more + details. + + In order to access the kmemleak file, debugfs needs to be + mounted (usually at /sys/kernel/debug). + config DEBUG_PREEMPT bool "Debug preemptible kernel" depends on DEBUG_KERNEL && PREEMPT && (TRACE_IRQFLAGS_SUPPORT || PPC64) diff --git a/trunk/mm/Makefile b/trunk/mm/Makefile index ec73c68b6015..cb84a025fdbf 100644 --- a/trunk/mm/Makefile +++ b/trunk/mm/Makefile @@ -38,3 +38,4 @@ obj-$(CONFIG_SMP) += allocpercpu.o endif obj-$(CONFIG_QUICKLIST) += quicklist.o obj-$(CONFIG_CGROUP_MEM_RES_CTLR) += memcontrol.o page_cgroup.o +obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o