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authorDavid S. Miller <[email protected]>2019-06-18 02:48:13 +0000
committerDavid S. Miller <[email protected]>2019-06-18 03:20:36 +0000
commit13091aa30535b719e269f20a7bc34002bf5afae5 (patch)
treebd17956c3ce606a119fadbd43bfa1c0c10006984 /net/core/sock.c
parentMerge branch 'UDP-GSO-audit-tests' (diff)
parentMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs (diff)
downloadkernel-13091aa30535b719e269f20a7bc34002bf5afae5.tar.gz
kernel-13091aa30535b719e269f20a7bc34002bf5afae5.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Honestly all the conflicts were simple overlapping changes, nothing really interesting to report. Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/core/sock.c')
-rw-r--r--net/core/sock.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index 2b3701958486..af09a23e4822 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1850,6 +1850,9 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
goto out;
}
RCU_INIT_POINTER(newsk->sk_reuseport_cb, NULL);
+#ifdef CONFIG_BPF_SYSCALL
+ RCU_INIT_POINTER(newsk->sk_bpf_storage, NULL);
+#endif
newsk->sk_err = 0;
newsk->sk_err_soft = 0;
@@ -2320,6 +2323,7 @@ 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 +2348,8 @@ 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 |