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kmemtrace: remove config option for enabling tracing at boot

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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: Pekka Enberg <penberg@cs.helsinki.fi>
This commit is contained in:
Pekka Enberg 2008-10-10 11:02:59 +03:00
parent faa97abe6a
commit bf6803d6fd
3 changed files with 4 additions and 14 deletions
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2
Documentation/vm/kmemtrace.txt
View File

@ -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

8
lib/Kconfig.debug
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@ -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

8
mm/kmemtrace.c
View File

@ -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