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    SubjectRe: [patch 9/14] mm: page_state opt
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    Nick Piggin <nickpiggin@yahoo.com.au> writes:

    > 9/14
    >
    > --
    > SUSE Labs, Novell Inc.
    >
    > Optimise page_state manipulations by introducing a direct accessor
    > to page_state fields without disabling interrupts, in which case
    > the callers must provide their own locking (either disable interrupts
    > or not update from interrupt context).

    I have a patchkit (which i need to update for the current kernel)
    which replaces this with local_t. Gives much better code and is much
    simpler and doesn't require turning off interrupts anywhere.

    -Andi
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