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    SubjectRe: [PATCH -mm 05/15] free swap space on swap-in/activation
    On 2008/05/12 22:33 +0900, Rik van Riel wrote:
    > On Mon, 12 May 2008 20:21:32 +0900
    > Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp> wrote:
    >
    >> So, the intention of this patch is
    >> not to free a swap space of swap cache that has already swapped in
    >> and only used one process as do_swap_page() does,
    >> but to free a swap space that is only used as a swap cache
    >> (not used by any processes), right?
    >
    > No. The code should also free the swap space of pages that are
    > mapped by processes, in order to free up swap space for other
    > uses. This only happens if vm_swap_full() is true.
    >

    OK.

    I thought that current code cannot free the swap space
    of pages that are mapped by processes(and I think it cannot),
    so I asked the intention of this patch for clarification.


    Thanks,
    Daisuke Nishimura.



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