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    SubjectRe: [PATCH] guard mm->rss with page_table_lock (241p11)
    Date
    From
    >...
    > + spin_lock(&mm->page_table_lock);
    > mm->rss++;
    > + spin_unlock(&mm->page_table_lock);
    >...

    Would it not be better to use some sort of atomic add/subtract/clear operation
    rather than a spinlock? (Which would also give you fewer atomic memory access
    cycles).

    David
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