diff options
| author | Steve French <sfrench@us.ibm.com> | 2005-09-06 15:47:31 -0700 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2005-09-06 15:47:31 -0700 |
| commit | c08319a9d50b5c9cb4fdb33728bd16497cf4ddd3 (patch) | |
| tree | 5fbec9030029da1ec387c18b85f26f19ee50da44 /include/net/sock.h | |
| parent | bfa0d75a1eee59f0577e3c1697ff570b77581a35 (diff) | |
| parent | 4706df3d3c42af802597d82c8b1542c3d52eab23 (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 312cb25cbd18..8c48fbecb7cf 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -709,6 +709,12 @@ static inline int sk_stream_rmem_schedule(struct sock *sk, struct sk_buff *skb) sk_stream_mem_schedule(sk, skb->truesize, 1); } +static inline int sk_stream_wmem_schedule(struct sock *sk, int size) +{ + return size <= sk->sk_forward_alloc || + sk_stream_mem_schedule(sk, size, 0); +} + /* Used by processes to "lock" a socket state, so that * interrupts and bottom half handlers won't change it * from under us. It essentially blocks any incoming @@ -1203,8 +1209,7 @@ static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk, skb = alloc_skb_fclone(size + hdr_len, gfp); if (skb) { skb->truesize += mem; - if (sk->sk_forward_alloc >= (int)skb->truesize || - sk_stream_mem_schedule(sk, skb->truesize, 0)) { + if (sk_stream_wmem_schedule(sk, skb->truesize)) { skb_reserve(skb, hdr_len); return skb; } @@ -1227,10 +1232,8 @@ static inline struct page *sk_stream_alloc_page(struct sock *sk) { struct page *page = NULL; - if (sk->sk_forward_alloc >= (int)PAGE_SIZE || - sk_stream_mem_schedule(sk, PAGE_SIZE, 0)) - page = alloc_pages(sk->sk_allocation, 0); - else { + page = alloc_pages(sk->sk_allocation, 0); + if (!page) { sk->sk_prot->enter_memory_pressure(); sk_stream_moderate_sndbuf(sk); } @@ -1374,9 +1377,10 @@ extern void sk_init(void); #ifdef CONFIG_SYSCTL extern struct ctl_table core_table[]; -extern int sysctl_optmem_max; #endif +extern int sysctl_optmem_max; + extern __u32 sysctl_wmem_default; extern __u32 sysctl_rmem_default; |