Re: Linux-2.1.131..

Andrea Arcangeli (andrea@e-mind.com)
Thu, 3 Dec 1998 22:06:23 +0100 (CET)


On Thu, 3 Dec 1998, Rik van Riel wrote:

>
> if (buffer_over_borrow() || pgcache_over_borrow())
>- shrink_mmap(i, gfp_mask);
>+ state = 0;
>
>This is a good fix as it returns behaviour back to the normal
>and desired behaviour (except for too heavy cache pruning).
>This patch would have been better however, since it does what
>we want without too heavy cache pruning or massive swapout
>frenzies.

do_try_to_free_page() starting from its name must try to free 1 page. If
shrink_mmap() just freed one page we have just finished our work and in
such case why to continue eventually with a not needed swap out?

Andrea Arcangeli

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