Andrew Morton wrote:
Nick Piggin <piggin@cyberone.com.au> wrote:
Even with this patch, it might still be a good idea to allow pdflush to disregard the limits...
Has it been confirmed that pdflush is blocking in get_request_wait()? I guess that can happen very occasionally because we don't bother with any locking around there but if it's happening a lot then something is bust.
Miquel's analysis is pretty plausible, but I'm not sure if he's confirmed it or not, Miquel? Even if it isn't happening a lot, and something isn't bust it might be a good idea to do this.
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