Messages in this thread | | | Date | Tue, 13 May 2008 22:00:44 +0900 | From | Daisuke Nishimura <> | Subject | Re: [PATCH -mm 05/15] free swap space on swap-in/activation |
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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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