RE: [Xen-ia64-devel][PATCH]Change tlbflush_clock to 64bit

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

Kouya SHIMURA write on 2007年2月6日 17:33:
> Xu, Anthony writes:
>  > Change tlbflush_clock to 64bit,
> 
> Hi Anthony,
> 
> I don't think that the expansion to 64bit of tlbflush_clock is good
> idea. If it is extended, tlbflush_timestamp in struct page_info should
> be extended also. see xen/common/page_alloc.c
> 
> IMHO, to keep page_info small is more significant than to reduce the
> frequency of tlbflush.

Agree,

Please ignore this patch.


- Anthony



> 
> But tlbflush_timestamp in page_info seems not to be used in IA64
> because tlbflush_filter is defined as follows:
> 
> #define tlbflush_filter(x,y) ((void)0)
> 
> Umm...
> 
> Thanks,
> Kouya

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