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    SubjectRe: [PATCH 0/3] Fix malloc() stall in zone_reclaim() and bring behaviour more in line with expectations V3
    On Mon, 15 Jun 2009, Mel Gorman wrote:

    > > May I ask your worry?
    > >
    > Simply that I believe the intention of PF_SWAPWRITE here was to allow
    > zone_reclaim() to aggressively reclaim memory if the reclaim_mode allowed
    > it as it was a statement that off-node accesses are really not desired.


    > Ok. I am not fully convinced but I'll not block it either if believe it's
    > necessary. My current understanding is that this patch only makes a difference
    > if the server is IO congested in which case the system is struggling anyway
    > and an off-node access is going to be relatively small penalty overall.
    > Conceivably, having PF_SWAPWRITE set makes things worse in that situation
    > and the patch makes some sense.

    We could drop support for RECLAIM_SWAP if that simplifies things.

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