Re: [RFC v2] net: use atomic allocation for order-3 page allocation
From: Eric Dumazet <hidden>
Date: 2015-06-11 23:38:25
Also in:
linux-mm
On Thu, 2015-06-11 at 16:32 -0700, Shaohua Li wrote:
Ok, looks similar, added. Didn't trigger this one though.
Probably because you do not use af_unix with big enough messages.
quoted hunk ↗ jump to hunk
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 3cfff2a..9856c7a 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c@@ -4398,7 +4398,9 @@ struct sk_buff *alloc_skb_with_frags(unsigned long header_len, while (order) { if (npages >= 1 << order) { - page = alloc_pages(gfp_mask |
Here, order is > 0 (Look at while (order) right above)
+ gfp_t gfp = order > 0 ? + gfp_mask & ~__GFP_WAIT : gfp_mask; + page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN |
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