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    SubjectRe: [PATCH 1/2 (repost)] mm: serialize OOM kill operations
    Dave wrote:
    > @@ -350,6 +353,8 @@ struct mm_struct {
    > /* aio bits */
    > rwlock_t ioctx_list_lock;
    > struct kioctx *ioctx_list;
    > +
    > + unsigned long flags;

    I see Andi didn't reply to your question concerning what
    struct he saw a 'flags' in.

    Adding a flags word still costs a slot in mm_struct.

    Adding a 'oom_notify' bitfield after the existing 'dumpable'
    bitfield in mm_struct would save that slot:

    unsigned dumpable:2;
    unsigned oom_notify:1;

    I won't rest till it's the best ...
    Programmer, Linux Scalability
    Paul Jackson <> 1.925.600.0401
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      Last update: 2006-04-27 22:47    [W:0.035 / U:49.732 seconds]
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