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    SubjectRe: [RFC PATCH 0/3] Avoid the use of congestion_wait under zone pressure
    On Mon, Mar 22, 2010 at 11:50:54PM +0000, Mel Gorman wrote:
    > 2. TTY using high order allocations more frequently
    > fix title: ttyfix
    > fixed in mainline? yes, in 2.6.34-rc2
    > affects: 2.6.31 to 2.6.34-rc1
    > 2.6.31 made pty's use the same buffering logic as tty. Unfortunately,
    > it was also allowed to make high-order GFP_ATOMIC allocations. This
    > triggers some high-order reclaim and introduces some stalls. It's
    > fixed in 2.6.34-rc2 but needs back-porting.

    It will go to the other stable kernels for their next round of releases
    now that it is in Linus's tree.

    > Next Steps
    > ==========
    > Jens, any problems with me backporting the async/sync fixes from 2.6.31 to
    > 2.6.30.x (assuming that is still maintained, Greg?)?

    No, .30 is no longer being maintained.


    greg k-h

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