[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH net-next] xen-netback: allocate xenvif arrays using vzalloc.
On Tue, 2013-10-29 at 15:27 +0000, Joby Poriyath wrote: > This will reduce memory pressure when allocating struct xenvif. > > The size of xenvif struct has increased from 168 to 36632 bytes (on x86-32). > See commit b3f980bd827e6e81a050c518d60ed7811a83061d. This resulted in > occasional netdev allocation failure in dom0 with 752MiB RAM, due to > fragmented memory. This looks overkill. Replacing a single allocation of ~36 KB into 5 vmalloc() looks like you did not really tried other things... This should be done generically in alloc_netdev_mqs() Take a look at commit 60877a32bce00041 ("net: allow large number of tx queues") _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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