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Commit bf6803d6 authored by Pekka Enberg's avatar Pekka Enberg
Browse files

kmemtrace: remove config option for enabling tracing at boot 



Users can pass kmemtrace.enabled=yes as a kernel parameter to enable kmemtrace
at boot so remove the useless CONFIG_KMEMTRACE_DEFAULT_ENABLED config option.

Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Signed-off-by: default avatarPekka Enberg <penberg@cs.helsinki.fi>
parent faa97abe

Documentation/vm/kmemtrace.txt

+1 −1
Original line number Diff line number Diff line
@@ -61,7 +61,7 @@ III. Quick usage guide 
======================



1) Get a kernel that supports kmemtrace and build it accordingly (i.e. enable

CONFIG_KMEMTRACE and CONFIG_KMEMTRACE_DEFAULT_ENABLED).

CONFIG_KMEMTRACE).



2) Get the userspace tool and build it:

$ git-clone git://repo.or.cz/kmemtrace-user.git		# current repository

lib/Kconfig.debug

+0 −8
Original line number Diff line number Diff line
@@ -823,14 +823,6 @@ config KMEMTRACE 


	  If unsure, say N.



config KMEMTRACE_DEFAULT_ENABLED

	bool "Enabled by default at boot"

	depends on KMEMTRACE

	help

	  Say Y here to enable kmemtrace at boot-time by default. Whatever

	  the choice, the behavior can be overridden by a kernel parameter,

	  as described in documentation.



menuconfig BUILD_DOCSRC

	bool "Build targets in Documentation/ tree"

	depends on HEADERS_CHECK

mm/kmemtrace.c

+3 −5
Original line number Diff line number Diff line
@@ -19,11 +19,9 @@ static struct rchan *kmemtrace_chan; 
static u32 kmemtrace_buf_overruns;



static unsigned int kmemtrace_n_subbufs;

#ifdef CONFIG_KMEMTRACE_DEFAULT_ENABLED

static unsigned int kmemtrace_enabled = 1;

#else

static unsigned int kmemtrace_enabled = 0;

#endif



/* disabled by default */

static unsigned int kmemtrace_enabled;



/*

 * The sequence number is used for reordering kmemtrace packets