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Date: Wed, 8 Oct 2014 12:07:59 -0700 (PDT) From: Eric Wheeler <netdev@...ts.ewheeler.net> To: Eric Dumazet <eric.dumazet@...il.com> cc: Shahed Shaikh <shahed.shaikh@...gic.com>, Stephen Hemminger <stephen@...workplumber.org>, netdev <netdev@...r.kernel.org>, Rasesh Mody <rasesh.mody@...gic.com> Subject: Re: [PATCH net] bna: page allocation during interrupts to use a mempool. On Tue, 7 Oct 2014, Eric Dumazet wrote: > On Tue, 2014-10-07 at 17:48 -0700, Eric Wheeler wrote: > >> Just += unmap->vector.len still did not work (same backtrace), so I've >> rebuilt with PAGE_SIZE<<2 and so far so good. I'll let it run all night >> and see if we get any problems. > > Further inspection of the driver told me that unmap->vector.len should > be 16384 already. (same than PAGE_SIZE << 2) > (set at line 304, drivers/net/ethernet/brocade/bna/bnad.c) > > So you might hit memory fragmentation issues. > > Do you have CONFIG_COMPACTION=y in your .config ? yes. -e > > > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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