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| author | Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua> | 2004-10-17 03:03:11 +0200 |
|---|---|---|
| committer | Sam Ravnborg <sam@mars.ravnborg.org> | 2004-10-17 03:03:11 +0200 |
| commit | 3c25e9e949ff6f266908a1ee4230061cdfb4438c (patch) | |
| tree | 48937c6a926b49f4eb473fc7a0d4c6212e8b263e /lib | |
| parent | 788c16bdd7f4b65cc27b43710a5be9d705b625e0 (diff) | |
| download | history-3c25e9e949ff6f266908a1ee4230061cdfb4438c.tar.gz | |
kconfig.debug: mention that DEBUG_SLAB can slow down machine quite a bit
I experienced x3 slowdown due to this option being set.
Please add this small warning to DEBUG_SLAB help text.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index cd5d8596223bca..d6f764a92e6746 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -34,7 +34,7 @@ config DEBUG_SLAB help Say Y here to have the kernel do limited verification on memory allocation as well as poisoning memory on free to catch use of freed - memory. + memory. This can make kmalloc/kfree-intensive workloads much slower. config DEBUG_SPINLOCK bool "Spinlock debugging" |