Re: 2.6.0-test9 - poor swap performance on low end machines

William Lee Irwin III
2003-12-08T14:31:02Z

On Tue, Dec 09, 2003 at 01:23:31AM +1100, Con Kolivas wrote:
> [snip original discussion thrashing swap on 2.6test with 32mb ram]
> Chris
> By an unusual coincidence I was looking into the patches that were supposed to
> speed up application startup and noticed this one was merged. A brief
> discussion with wli suggests this could cause thrashing problems on low
> memory boxes so can you try this patch? Applies to test11.

This is effectively only called when faulting on paged-out ptes whose
file offsets were disturbed by remap_file_pages() and when calling
remap_file_pages() itself.

-- wli