On Mon, 9 Apr 2007, Andi Kleen wrote: > On Monday 09 April 2007 20:25:20 Christoph Lameter wrote: > > > #endif /* _X86_64_PGALLOC_H */ > > Index: linux-2.6.21-rc5-mm4/arch/x86_64/kernel/process.c > > =================================================================== > > --- linux-2.6.21-rc5-mm4.orig/arch/x86_64/kernel/process.c 2007-04-07 > > 18:07:47.000000000 -0700 > > +++ linux-2.6.21-rc5-mm4/arch/x86_64/kernel/process.c 2007-04-07 > > 18:09:30.000000000 -0700 > > @@ -207,6 +207,7 @@ > > if (__get_cpu_var(cpu_idle_state)) > > __get_cpu_var(cpu_idle_state) = 0; > > > > + check_pgt_cache(); > > Wouldn't it be better to do that on memory pressure only (register > it as a shrinker)?
It has to be done in sync with tlb flushing. Doing that on memory pressure would complicate things significantly. Also idling means that the cache grows cold. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
