linux-kernel - Re: [PATCH v4 2/7] x86/tlb_info: get last level TLB entry number of CPU

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Message-ID: <4FAC5F68.1050100@intel.com>
Date:	Fri, 11 May 2012 08:38:00 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Borislav Petkov <bp@...64.org>
CC:	rob@...dley.net, tglx@...utronix.de, mingo@...hat.com,
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Subject: Re: [PATCH v4 2/7] x86/tlb_info: get last level TLB entry number
 of CPU

>

> Btw, we're only using the tlb_ll[id]_4k arrays in flush_tlb_range and do
> not touch 2m or 4m entries. Do you have any future plans for those or
> can they simply be removed?


I can not do full testing on all CPU, since no much machine in hands. It
maybe useful for AMD or other CPUs.

> 
> Besides, those arrays contain only the entries count per TLB size. Maybe
> turn them into simple variables?


Similar reason to keep current mode, if array doesn't increase data
size. and left extend capacity.

> 
> Thanks.
> 


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