Re: [rfc] lockless pagecache

Nick Piggin
2005-06-27T08:28:46Z

Andrew Morton wrote:
> Nick Piggin <nickpiggin@yahoo.com.au> wrote:
>
>>Also, the memory usage regression cases that fault ahead brings makes it
>> a bit contentious.
>
>
> faultahead consumes no more memory: if the page is present then point a pte
> at it. It'll make reclaim work a bit harder in some situations.
>

Oh OK we'll call that faultahead and Christoph's thing prefault then.

I suspect it may still be a net loss for those that are running into
tree_lock contention, but we'll see.

--
SUSE Labs, Novell Inc.

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