Messages in this thread | | | Subject | Re: kernel 3.2.27 on arm: WARNING: at mm/page_alloc.c:2109 __alloc_pages_nodemask+0x1d4/0x68c() | From | Eric Dumazet <> | Date | Thu, 04 Oct 2012 19:17:29 +0200 |
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On Thu, 2012-10-04 at 19:09 +0200, Maxime Bizon wrote:
> yes, on ipv6 forward path the default NET_SKB_PAD is too small, so each > packet forwarded has its headroom expanded, it is then recycled and gets > its original default headroom back, then it gets forwarded, > expanded, ...
Hmm, this sounds bad (especially without recycle)
Might I assume NET_SKB_PAD is 32 on this arch ?
We might adjust NET_SKB_PAD to avoid all these memory copies...
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