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    SubjectRe: [VM PATCH] Faster reclamation of dirty pages and unused inode/dcache entries in 2.4.22
    I prefer to run stock kernels so I don't have as much
    experience with the -aa patches. However, I took a
    look at the relevant code in 2.4.22pre7aa1 and I
    believe my patch should help there as well. The
    writepage() and page rotation behaviour is similar to
    stock 2.4.22 though the inactive_list is per-classzone
    in -aa. I am less sure about the inode/dcache part
    though under -aa.

    --- Mike Fedyk <mfedyk@matchmail.com> wrote:
    > On Fri, Aug 29, 2003 at 10:55:44AM -0700, Shantanu
    > Goel wrote:
    > > I am not very knowledgeable about
    > micro-optimizations.
    > > I'll take your word for it. ;-) What interests
    > me
    > > more is whether others notice any performance
    > > improvement under swapout with this patch given
    > that
    > > is on the order of milliseconds.
    >
    > But have you compared your patch with the VM patches
    > in -aa? Will your
    > patch apply on -aa and make improvements there too?
    >
    > In other words: Why would I want to use this patch
    > when I could use -aa?
    >


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