Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [QUICKLIST 3/4] Quicklist support for x86_64 | Date | Mon, 9 Apr 2007 20:43:14 +0200 |
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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)?
> rmb(); > idle = pm_idle; > if (!idle) > Index: linux-2.6.21-rc5-mm4/arch/x86_64/kernel/smp.c > =================================================================== > --- linux-2.6.21-rc5-mm4.orig/arch/x86_64/kernel/smp.c 2007-04-07 18:07:47.000000000 -0700 > +++ linux-2.6.21-rc5-mm4/arch/x86_64/kernel/smp.c 2007-04-07 18:09:30.000000000 -0700 > @@ -241,7 +241,7 @@ > } > if (!cpus_empty(cpu_mask)) > flush_tlb_others(cpu_mask, mm, FLUSH_ALL); > - > + check_pgt_cache();
Why is that here?
> preempt_enable(); > }
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