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    SubjectRe: [PATCH 2/4] modify swap_map and add SWAP_HAS_CACHE flag.
    * KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> [2009-05-30 20:16:51]:

    > Balbir Singh wrote:
    > >> #define SWAP_CLUSTER_MAX 32
    > >>
    > >> -#define SWAP_MAP_MAX 0x7fff
    > >> -#define SWAP_MAP_BAD 0x8000
    > >> -
    > >> +#define SWAP_MAP_MAX 0x7ffe
    > >> +#define SWAP_MAP_BAD 0x7fff
    > >> +#define SWAP_HAS_CACHE 0x8000 /* There is a swap cache of entry. */
    > >
    > > Why count, can't we use swp->flags?
    > >
    >
    > Hmm ? swap_map just only a "unsiged short" value per entry..sorry,
    > I can't catch what you mention to.

    Sorry for the noise, the count is directly contained in swap_map[].

    --
    Balbir


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