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| author | David S. Miller <davem@davemloft.net> | 2015-06-14 06:56:52 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-14 06:56:52 (GMT) |
| commit | 25c43bf13b1657d9a2f6a2565e9159ce31517aa5 (patch) | |
| tree | c1fef736d3227dbd3788206c746d00763247f232 /net/core | |
| parent | a2f0fad32b0d0022c7e5706d333d74a9579f3742 (diff) | |
| parent | c8d17b451aa18b07b60e771addf17a5fdd4138c7 (diff) | |
| download | linux-25c43bf13b1657d9a2f6a2565e9159ce31517aa5.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/skbuff.c | 2 | ||||
| -rw-r--r-- | net/core/sock.c | 15 |
2 files changed, 7 insertions, 10 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 9bac0e6..b6a19ca 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -4467,7 +4467,7 @@ struct sk_buff *alloc_skb_with_frags(unsigned long header_len, while (order) { if (npages >= 1 << order) { - page = alloc_pages(gfp_mask | + page = alloc_pages((gfp_mask & ~__GFP_WAIT) | __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY, diff --git a/net/core/sock.c b/net/core/sock.c index e72633c..7063c32 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -354,15 +354,12 @@ void sk_clear_memalloc(struct sock *sk) /* * SOCK_MEMALLOC is allowed to ignore rmem limits to ensure forward - * progress of swapping. However, if SOCK_MEMALLOC is cleared while - * it has rmem allocations there is a risk that the user of the - * socket cannot make forward progress due to exceeding the rmem - * limits. By rights, sk_clear_memalloc() should only be called - * on sockets being torn down but warn and reset the accounting if - * that assumption breaks. + * progress of swapping. SOCK_MEMALLOC may be cleared while + * it has rmem allocations due to the last swapfile being deactivated + * but there is a risk that the socket is unusable due to exceeding + * the rmem limits. Reclaim the reserves and obey rmem limits again. */ - if (WARN_ON(sk->sk_forward_alloc)) - sk_mem_reclaim(sk); + sk_mem_reclaim(sk); } EXPORT_SYMBOL_GPL(sk_clear_memalloc); @@ -1872,7 +1869,7 @@ bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp) pfrag->offset = 0; if (SKB_FRAG_PAGE_ORDER) { - pfrag->page = alloc_pages(gfp | __GFP_COMP | + pfrag->page = alloc_pages((gfp & ~__GFP_WAIT) | __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY, SKB_FRAG_PAGE_ORDER); if (likely(pfrag->page)) { |