Re: limit on number of kmapped pages

Stephen C. Tweedie (sct@redhat.com)
Thu, 25 Jan 2001 18:16:21 +0000


Hi,

On Wed, Jan 24, 2001 at 12:35:12AM +0000, David Wragg wrote:
>
> > And why do the pages need to be kmapped?
>
> They only need to be kmapped while data is being copied into them.

But you only need to kmap one page at a time during the copy. There
is absolutely no need to copy the whole chunk at once.

--Stephen
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