diff options
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 2b3701958486..7f49392579a5 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -2320,6 +2320,7 @@ static void sk_leave_memory_pressure(struct sock *sk) /* On 32bit arches, an skb frag is limited to 2^15 */ #define SKB_FRAG_PAGE_ORDER get_order(32768) +DEFINE_STATIC_KEY_FALSE(net_high_order_alloc_disable_key); /** * skb_page_frag_refill - check that a page_frag contains enough room @@ -2344,7 +2345,8 @@ bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp) } pfrag->offset = 0; - if (SKB_FRAG_PAGE_ORDER) { + if (SKB_FRAG_PAGE_ORDER && + !static_branch_unlikely(&net_high_order_alloc_disable_key)) { /* Avoid direct reclaim but allow kswapd to wake */ pfrag->page = alloc_pages((gfp & ~__GFP_DIRECT_RECLAIM) | __GFP_COMP | __GFP_NOWARN | |