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FromNick Piggin <>
SubjectRe: [patch 02/20] make the inode i_mmap_lock a reader/writer lock
DateThu, 3 Jan 2008 17:07:14 +1100
On Thursday 03 January 2008 10:35, Mike Travis wrote:
> Hi Nick,
>
> Have you done anything more with allowing > 256 CPUS in this spinlock
> patch?  We've been testing with 1k cpus and to verify with -mm kernel,
> we need to "unpatch" these spinlock changes.
>
> Thanks,
> Mike

Hi Mike,

Actually I had it in my mind that 64 bit used single-byte locking like
i386, so I didn't think I'd caused a regression there.

I'll take a look at fixing that up now.

Thanks,
Nick


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