Messages in this thread Patch in this message | | | Subject | Re: 3.7-rc2 regression : file copied to CIFS-mounted directory corrupted | From | Eric Dumazet <> | Date | Tue, 23 Oct 2012 08:08:48 +0200 |
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On Tue, 2012-10-23 at 05:38 +0000, Jongman Heo wrote: > Hmm, > > I've just met the issue, with the commit 5640f768 reverted. > It seems that the issue does not always happen. So, my bisection may not be correct. > > At this moment, I don't have enough time to do bisection again.. > > Regards.
What happens, if instead of reverting you try the following ?
If this solves the problem, then we shall find the driver that assumes frags are order-0 pages only.
diff --git a/net/core/sock.c b/net/core/sock.c index 8a146cf..a743e7c 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1726,7 +1726,7 @@ struct sk_buff *sock_alloc_send_skb(struct sock *sk, unsigned long size, EXPORT_SYMBOL(sock_alloc_send_skb); /* On 32bit arches, an skb frag is limited to 2^15 */ -#define SKB_FRAG_PAGE_ORDER get_order(32768) +#define SKB_FRAG_PAGE_ORDER 0 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag) {
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