Revision 8e125cd85517c9716695b0abfabc0a4a3fcb94f3 authored by Minchan Kim on 31 July 2012, 23:43:16 UTC, committed by Linus Torvalds on 01 August 2012, 01:42:43 UTC
09f363c7 ("vmscan: fix shrinker callback bug in fs/super.c") fixed a shrinker callback which was returning -1 when nr_to_scan is zero, which caused excessive slab scanning. But 635697c6 ("vmscan: fix initial shrinker size handling") fixed the problem, again so we can freely return -1 although nr_to_scan is zero. So let's revert 09f363c7 because the comment added in 09f363c7 made an unnecessary rule. Signed-off-by: Minchan Kim <minchan@kernel.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: Konstantin Khlebnikov <khlebnikov@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kconfig.debug
menu "Kernel hacking"
source "lib/Kconfig.debug"
config BOOTPARAM
bool 'Compiled-in Kernel Boot Parameter'
config BOOTPARAM_STRING
string 'Kernel Boot Parameter'
default 'console=ttyS0,19200'
depends on BOOTPARAM
config EARLY_PRINTK
bool "Early printk" if EMBEDDED
depends on MVME16x || MAC
default y
help
Write kernel log output directly to a serial port.
This is useful for kernel debugging when your machine crashes very
early before the console code is initialized.
You should normally say N here, unless you want to debug such a crash.
if !MMU
config FULLDEBUG
bool "Full Symbolic/Source Debugging support"
help
Enable debugging symbols on kernel build.
config HIGHPROFILE
bool "Use fast second timer for profiling"
depends on COLDFIRE
help
Use a fast secondary clock to produce profiling information.
config NO_KERNEL_MSG
bool "Suppress Kernel BUG Messages"
help
Do not output any debug BUG messages within the kernel.
config BDM_DISABLE
bool "Disable BDM signals"
depends on (EXPERIMENTAL && COLDFIRE)
help
Disable the ColdFire CPU's BDM signals.
endif
endmenu
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