Messages in this thread | | | Date | Tue, 18 Aug 2009 17:38:15 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] replace various uses of num_physpages by totalram_pages |
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* Jan Beulich <JBeulich@novell.com> wrote:
> Sizing of memory allocations shouldn't depend on the number of > physical pages found in a system, as that generally includes > (perhaps a huge amount of) non-RAM pages. The amount of what > actually is usable as storage should instead be used as a basis > here. > > Some of the calculations (i.e. those not intending to use high > memory) should likely even use (totalram_pages - > totalhigh_pages). > > Signed-off-by: Jan Beulich <jbeulich@novell.com> > Acked-by: Rusty Russell <rusty@rustcorp.com.au> > > --- > arch/x86/kernel/microcode_core.c | 4 ++--
Acked-by: Ingo Molnar <mingo@elte.hu>
Just curious: how did you find this bug? Did you find this by experiencing problems on a system with a lot of declared non-RAM memory?
Ingo
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