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    SubjectRe: Minutes from Feb 21 LSE Call
    On Sat, Feb 22, 2003 at 07:24:24PM -0800, Andrew Morton wrote:
    >> So whole stole the remaining 1.85 seconds? Looks like pte_highmem.

    On Tue, Feb 25, 2003 at 06:17:27PM +0100, Andrea Arcangeli wrote:
    > would you mind to add the line for 2.4.21-pre4aa3? it has pte-highmem so
    > you can easily find it out for sure if it is pte_highmem that stole >10%
    > of your fast cpu. A line for the 2.4-rmap patch would be also
    > interesting.

    On Sat, Feb 22, 2003 at 07:24:24PM -0800, Andrew Morton wrote:
    >> Note one second spent in pte_alloc_one().

    On Tue, Feb 25, 2003 at 06:17:27PM +0100, Andrea Arcangeli wrote:
    > note the seconds spent in the rmap affected paths too.

    The pagetable cache is gone in 2.5, so pte_alloc_one() takes the
    bitblitting hit for pagetables.

    I didn't catch the whole profile, so I'll need numbers for rmap paths.


    -- wli
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