Messages in this thread Patch in this message | | | From | Denis Vlasenko <> | Subject | [PATCH] mention that DEBUG_SLAB can slow down machine quite a bit | Date | Thu, 16 Sep 2004 11:32:04 +0300 |
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Hi,
I experienced x3 slowdown due to this option being set.
Please add this small warning to DEBUG_SLAB help text. -- vda diff -urN linux-2.6.9-rc2hz.src/lib/Kconfig.debug linux-2.6.9-rc2hz.helptext/lib/Kconfig.debug --- linux-2.6.9-rc2hz.src/lib/Kconfig.debug Mon Sep 13 22:33:37 2004 +++ linux-2.6.9-rc2hz.helptext/lib/Kconfig.debug Thu Sep 16 11:19:28 2004 @@ -34,7 +34,7 @@ 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" | |