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-rw-r--r--include/net/sock.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 11ccde6..bfa7d20 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -621,6 +621,7 @@ enum sock_flags {
SOCK_RCVTSTAMPNS, /* %SO_TIMESTAMPNS setting */
SOCK_LOCALROUTE, /* route locally only, %SO_DONTROUTE setting */
SOCK_QUEUE_SHRUNK, /* write queue has been shrunk recently */
+ SOCK_MEMALLOC, /* VM depends on this socket for swapping */
SOCK_TIMESTAMPING_TX_HARDWARE, /* %SOF_TIMESTAMPING_TX_HARDWARE */
SOCK_TIMESTAMPING_TX_SOFTWARE, /* %SOF_TIMESTAMPING_TX_SOFTWARE */
SOCK_TIMESTAMPING_RX_HARDWARE, /* %SOF_TIMESTAMPING_RX_HARDWARE */
@@ -660,7 +661,7 @@ static inline bool sock_flag(const struct sock *sk, enum sock_flags flag)
static inline gfp_t sk_gfp_atomic(struct sock *sk, gfp_t gfp_mask)
{
- return GFP_ATOMIC;
+ return GFP_ATOMIC | (sk->sk_allocation & __GFP_MEMALLOC);
}
static inline void sk_acceptq_removed(struct sock *sk)
@@ -803,6 +804,8 @@ extern int sk_stream_wait_memory(struct sock *sk, long *timeo_p);
extern void sk_stream_wait_close(struct sock *sk, long timeo_p);
extern int sk_stream_error(struct sock *sk, int flags, int err);
extern void sk_stream_kill_queues(struct sock *sk);
+extern void sk_set_memalloc(struct sock *sk);
+extern void sk_clear_memalloc(struct sock *sk);
extern int sk_wait_data(struct sock *sk, long *timeo);
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