Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=df97c708d5e6eebdd9ded1fa588eae09acf53793
Commit: df97c708d5e6eebdd9ded1fa588eae09acf53793
Parent: f561d0f27d6283c49359bb96048f8ac3728c812c
Author: Pavel Emelyanov <[EMAIL PROTECTED]>
AuthorDate: Thu Nov 29 21:22:33 2007 +1100
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 14:55:08 2008 -0800
[NET]: Eliminate unused argument from sk_stream_alloc_pskb
The 3rd argument is always zero (according to grep :) Eliminate
it and merge the function with sk_stream_alloc_skb.
This saves 44 more bytes, and together with the previous patch
we have:
add/remove: 1/0 grow/shrink: 0/8 up/down: 183/-751 (-568)
function old new delta
sk_stream_alloc_skb - 183 +183
ip_rt_init 529 525 -4
arp_ignore 112 107 -5
__inet_lookup_listener 284 274 -10
tcp_sendmsg 2583 2481 -102
tcp_sendpage 1449 1300 -149
tso_fragment 417 258 -159
tcp_fragment 1149 988 -161
__tcp_push_pending_frames 1998 1837 -161
Signed-off-by: Pavel Emelyanov <[EMAIL PROTECTED]>
Signed-off-by: Herbert Xu <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
include/net/sock.h | 10 +---------
net/ipv4/tcp.c | 11 ++++-------
net/ipv4/tcp_output.c | 2 +-
3 files changed, 6 insertions(+), 17 deletions(-)
diff --git a/include/net/sock.h b/include/net/sock.h
index 7d500a8..bcbf889 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1192,15 +1192,7 @@ static inline void sk_stream_moderate_sndbuf(struct sock
*sk)
}
}
-struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
- int size, int mem, gfp_t gfp);
-
-static inline struct sk_buff *sk_stream_alloc_skb(struct sock *sk,
- int size,
- gfp_t gfp)
-{
- return sk_stream_alloc_pskb(sk, size, 0, gfp);
-}
+struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp);
static inline struct page *sk_stream_alloc_page(struct sock *sk)
{
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 6b35ab8..eb77088 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -629,8 +629,7 @@ ssize_t tcp_splice_read(struct socket *sock, loff_t *ppos,
return ret;
}
-struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
- int size, int mem, gfp_t gfp)
+struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp)
{
struct sk_buff *skb;
@@ -639,7 +638,6 @@ struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
skb = alloc_skb_fclone(size + sk->sk_prot->max_header, gfp);
if (skb) {
- skb->truesize += mem;
if (sk_stream_wmem_schedule(sk, skb->truesize)) {
/*
* Make sure that we have exactly size bytes
@@ -692,8 +690,7 @@ new_segment:
if (!sk_stream_memory_free(sk))
goto wait_for_sndbuf;
- skb = sk_stream_alloc_pskb(sk, 0, 0,
- sk->sk_allocation);
+ skb = sk_stream_alloc_skb(sk, 0, sk->sk_allocation);
if (!skb)
goto wait_for_memory;
@@ -873,8 +870,8 @@ new_segment:
if (!sk_stream_memory_free(sk))
goto wait_for_sndbuf;
- skb = sk_stream_alloc_pskb(sk, select_size(sk),
- 0,
sk->sk_allocation);
+ skb = sk_stream_alloc_skb(sk, select_size(sk),
+ sk->sk_allocation);
if (!skb)
goto wait_for_memory;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 546f385..98835af 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1180,7 +1180,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff
*skb, unsigned int len,
if (skb->len != skb->data_len)
return tcp_fragment(sk, skb, len, mss_now);
- buff = sk_stream_alloc_pskb(sk, 0, 0, GFP_ATOMIC);
+ buff = sk_stream_alloc_skb(sk, 0, GFP_ATOMIC);
if (unlikely(buff == NULL))
return -ENOMEM;
-
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