Messages in this thread | | | Date | Fri, 11 May 2012 00:50:34 -0400 (EDT) | Subject | Re: [PATCH 09/17] netvm: Allow the use of __GFP_MEMALLOC by specific sockets | From | David Miller <> |
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From: Mel Gorman <mgorman@suse.de> Date: Thu, 10 May 2012 14:45:02 +0100
> Allow specific sockets to be tagged SOCK_MEMALLOC and use > __GFP_MEMALLOC for their allocations. These sockets will be able to go > below watermarks and allocate from the emergency reserve. Such sockets > are to be used to service the VM (iow. to swap over). They must be > handled kernel side, exposing such a socket to user-space is a bug. > > There is a risk that the reserves be depleted so for now, the > administrator is responsible for increasing min_free_kbytes as > necessary to prevent deadlock for their workloads. > > [a.p.zijlstra@chello.nl: Original patches] > Signed-off-by: Mel Gorman <mgorman@suse.de>
After sk_allocation() is adjusted to be sk_gfp_atomic() as I suggested in my feedback for patch #8, this is fine.
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