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-rw-r--r--include/linux/skbuff.h29
-rw-r--r--include/net/sock.h18
-rw-r--r--include/net/tcp.h3
-rw-r--r--net/core/dev.c2
-rw-r--r--net/core/skbuff.c17
-rw-r--r--net/core/sock.c11
-rw-r--r--net/ipv4/tcp_output.c2
7 files changed, 50 insertions, 32 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 14b950413495..5d4a990d5577 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -300,20 +300,26 @@ struct sk_buff {
300#include <asm/system.h> 300#include <asm/system.h>
301 301
302extern void __kfree_skb(struct sk_buff *skb); 302extern void __kfree_skb(struct sk_buff *skb);
303extern struct sk_buff *alloc_skb(unsigned int size, int priority); 303extern struct sk_buff *alloc_skb(unsigned int size,
304 unsigned int __nocast priority);
304extern struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp, 305extern struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,
305 unsigned int size, int priority); 306 unsigned int size,
307 unsigned int __nocast priority);
306extern void kfree_skbmem(struct sk_buff *skb); 308extern void kfree_skbmem(struct sk_buff *skb);
307extern struct sk_buff *skb_clone(struct sk_buff *skb, int priority); 309extern struct sk_buff *skb_clone(struct sk_buff *skb,
308extern struct sk_buff *skb_copy(const struct sk_buff *skb, int priority); 310 unsigned int __nocast priority);
309extern struct sk_buff *pskb_copy(struct sk_buff *skb, int gfp_mask); 311extern struct sk_buff *skb_copy(const struct sk_buff *skb,
312 unsigned int __nocast priority);
313extern struct sk_buff *pskb_copy(struct sk_buff *skb,
314 unsigned int __nocast gfp_mask);
310extern int pskb_expand_head(struct sk_buff *skb, 315extern int pskb_expand_head(struct sk_buff *skb,
311 int nhead, int ntail, int gfp_mask); 316 int nhead, int ntail,
317 unsigned int __nocast gfp_mask);
312extern struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, 318extern struct sk_buff *skb_realloc_headroom(struct sk_buff *skb,
313 unsigned int headroom); 319 unsigned int headroom);
314extern struct sk_buff *skb_copy_expand(const struct sk_buff *skb, 320extern struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
315 int newheadroom, int newtailroom, 321 int newheadroom, int newtailroom,
316 int priority); 322 unsigned int __nocast priority);
317extern struct sk_buff * skb_pad(struct sk_buff *skb, int pad); 323extern struct sk_buff * skb_pad(struct sk_buff *skb, int pad);
318#define dev_kfree_skb(a) kfree_skb(a) 324#define dev_kfree_skb(a) kfree_skb(a)
319extern void skb_over_panic(struct sk_buff *skb, int len, 325extern void skb_over_panic(struct sk_buff *skb, int len,
@@ -464,7 +470,8 @@ static inline int skb_shared(const struct sk_buff *skb)
464 * 470 *
465 * NULL is returned on a memory allocation failure. 471 * NULL is returned on a memory allocation failure.
466 */ 472 */
467static inline struct sk_buff *skb_share_check(struct sk_buff *skb, int pri) 473static inline struct sk_buff *skb_share_check(struct sk_buff *skb,
474 unsigned int __nocast pri)
468{ 475{
469 might_sleep_if(pri & __GFP_WAIT); 476 might_sleep_if(pri & __GFP_WAIT);
470 if (skb_shared(skb)) { 477 if (skb_shared(skb)) {
@@ -1001,7 +1008,7 @@ static inline void __skb_queue_purge(struct sk_buff_head *list)
1001 * %NULL is returned in there is no free memory. 1008 * %NULL is returned in there is no free memory.
1002 */ 1009 */
1003static inline struct sk_buff *__dev_alloc_skb(unsigned int length, 1010static inline struct sk_buff *__dev_alloc_skb(unsigned int length,
1004 int gfp_mask) 1011 unsigned int __nocast gfp_mask)
1005{ 1012{
1006 struct sk_buff *skb = alloc_skb(length + 16, gfp_mask); 1013 struct sk_buff *skb = alloc_skb(length + 16, gfp_mask);
1007 if (likely(skb)) 1014 if (likely(skb))
@@ -1114,8 +1121,8 @@ static inline int skb_can_coalesce(struct sk_buff *skb, int i,
1114 * If there is no free memory -ENOMEM is returned, otherwise zero 1121 * If there is no free memory -ENOMEM is returned, otherwise zero
1115 * is returned and the old skb data released. 1122 * is returned and the old skb data released.
1116 */ 1123 */
1117extern int __skb_linearize(struct sk_buff *skb, int gfp); 1124extern int __skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp);
1118static inline int skb_linearize(struct sk_buff *skb, int gfp) 1125static inline int skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp)
1119{ 1126{
1120 return __skb_linearize(skb, gfp); 1127 return __skb_linearize(skb, gfp);
1121} 1128}
diff --git a/include/net/sock.h b/include/net/sock.h
index 7b76f891ae2d..a1042d08becd 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -684,16 +684,17 @@ extern void FASTCALL(release_sock(struct sock *sk));
684#define bh_lock_sock(__sk) spin_lock(&((__sk)->sk_lock.slock)) 684#define bh_lock_sock(__sk) spin_lock(&((__sk)->sk_lock.slock))
685#define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock)) 685#define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock))
686 686
687extern struct sock *sk_alloc(int family, int priority, 687extern struct sock *sk_alloc(int family,
688 unsigned int __nocast priority,
688 struct proto *prot, int zero_it); 689 struct proto *prot, int zero_it);
689extern void sk_free(struct sock *sk); 690extern void sk_free(struct sock *sk);
690 691
691extern struct sk_buff *sock_wmalloc(struct sock *sk, 692extern struct sk_buff *sock_wmalloc(struct sock *sk,
692 unsigned long size, int force, 693 unsigned long size, int force,
693 int priority); 694 unsigned int __nocast priority);
694extern struct sk_buff *sock_rmalloc(struct sock *sk, 695extern struct sk_buff *sock_rmalloc(struct sock *sk,
695 unsigned long size, int force, 696 unsigned long size, int force,
696 int priority); 697 unsigned int __nocast priority);
697extern void sock_wfree(struct sk_buff *skb); 698extern void sock_wfree(struct sk_buff *skb);
698extern void sock_rfree(struct sk_buff *skb); 699extern void sock_rfree(struct sk_buff *skb);
699 700
@@ -708,7 +709,8 @@ extern struct sk_buff *sock_alloc_send_skb(struct sock *sk,
708 unsigned long size, 709 unsigned long size,
709 int noblock, 710 int noblock,
710 int *errcode); 711 int *errcode);
711extern void *sock_kmalloc(struct sock *sk, int size, int priority); 712extern void *sock_kmalloc(struct sock *sk, int size,
713 unsigned int __nocast priority);
712extern void sock_kfree_s(struct sock *sk, void *mem, int size); 714extern void sock_kfree_s(struct sock *sk, void *mem, int size);
713extern void sk_send_sigurg(struct sock *sk); 715extern void sk_send_sigurg(struct sock *sk);
714 716
@@ -1132,7 +1134,8 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk)
1132} 1134}
1133 1135
1134static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk, 1136static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
1135 int size, int mem, int gfp) 1137 int size, int mem,
1138 unsigned int __nocast gfp)
1136{ 1139{
1137 struct sk_buff *skb; 1140 struct sk_buff *skb;
1138 int hdr_len; 1141 int hdr_len;
@@ -1155,7 +1158,8 @@ static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
1155} 1158}
1156 1159
1157static inline struct sk_buff *sk_stream_alloc_skb(struct sock *sk, 1160static inline struct sk_buff *sk_stream_alloc_skb(struct sock *sk,
1158 int size, int gfp) 1161 int size,
1162 unsigned int __nocast gfp)
1159{ 1163{
1160 return sk_stream_alloc_pskb(sk, size, 0, gfp); 1164 return sk_stream_alloc_pskb(sk, size, 0, gfp);
1161} 1165}
@@ -1188,7 +1192,7 @@ static inline int sock_writeable(const struct sock *sk)
1188 return atomic_read(&sk->sk_wmem_alloc) < (sk->sk_sndbuf / 2); 1192 return atomic_read(&sk->sk_wmem_alloc) < (sk->sk_sndbuf / 2);
1189} 1193}
1190 1194
1191static inline int gfp_any(void) 1195static inline unsigned int __nocast gfp_any(void)
1192{ 1196{
1193 return in_softirq() ? GFP_ATOMIC : GFP_KERNEL; 1197 return in_softirq() ? GFP_ATOMIC : GFP_KERNEL;
1194} 1198}
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 4d5b12e4dc11..f4f9aba07ac2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -860,7 +860,8 @@ extern void tcp_send_probe0(struct sock *);
860extern void tcp_send_partial(struct sock *); 860extern void tcp_send_partial(struct sock *);
861extern int tcp_write_wakeup(struct sock *); 861extern int tcp_write_wakeup(struct sock *);
862extern void tcp_send_fin(struct sock *sk); 862extern void tcp_send_fin(struct sock *sk);
863extern void tcp_send_active_reset(struct sock *sk, int priority); 863extern void tcp_send_active_reset(struct sock *sk,
864 unsigned int __nocast priority);
864extern int tcp_send_synack(struct sock *); 865extern int tcp_send_synack(struct sock *);
865extern void tcp_push_one(struct sock *, unsigned int mss_now); 866extern void tcp_push_one(struct sock *, unsigned int mss_now);
866extern void tcp_send_ack(struct sock *sk); 867extern void tcp_send_ack(struct sock *sk);
diff --git a/net/core/dev.c b/net/core/dev.c
index 7f5f62c65115..ff9dc029233a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1127,7 +1127,7 @@ static inline int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
1127extern void skb_release_data(struct sk_buff *); 1127extern void skb_release_data(struct sk_buff *);
1128 1128
1129/* Keep head the same: replace data */ 1129/* Keep head the same: replace data */
1130int __skb_linearize(struct sk_buff *skb, int gfp_mask) 1130int __skb_linearize(struct sk_buff *skb, unsigned int __nocast gfp_mask)
1131{ 1131{
1132 unsigned int size; 1132 unsigned int size;
1133 u8 *data; 1133 u8 *data;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 733deee24b9f..d9f7b06fe886 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -129,7 +129,7 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
129 * Buffers may only be allocated from interrupts using a @gfp_mask of 129 * Buffers may only be allocated from interrupts using a @gfp_mask of
130 * %GFP_ATOMIC. 130 * %GFP_ATOMIC.
131 */ 131 */
132struct sk_buff *alloc_skb(unsigned int size, int gfp_mask) 132struct sk_buff *alloc_skb(unsigned int size, unsigned int __nocast gfp_mask)
133{ 133{
134 struct sk_buff *skb; 134 struct sk_buff *skb;
135 u8 *data; 135 u8 *data;
@@ -182,7 +182,8 @@ nodata:
182 * %GFP_ATOMIC. 182 * %GFP_ATOMIC.
183 */ 183 */
184struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp, 184struct sk_buff *alloc_skb_from_cache(kmem_cache_t *cp,
185 unsigned int size, int gfp_mask) 185 unsigned int size,
186 unsigned int __nocast gfp_mask)
186{ 187{
187 struct sk_buff *skb; 188 struct sk_buff *skb;
188 u8 *data; 189 u8 *data;
@@ -322,7 +323,7 @@ void __kfree_skb(struct sk_buff *skb)
322 * %GFP_ATOMIC. 323 * %GFP_ATOMIC.
323 */ 324 */
324 325
325struct sk_buff *skb_clone(struct sk_buff *skb, int gfp_mask) 326struct sk_buff *skb_clone(struct sk_buff *skb, unsigned int __nocast gfp_mask)
326{ 327{
327 struct sk_buff *n = kmem_cache_alloc(skbuff_head_cache, gfp_mask); 328 struct sk_buff *n = kmem_cache_alloc(skbuff_head_cache, gfp_mask);
328 329
@@ -460,7 +461,7 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
460 * header is going to be modified. Use pskb_copy() instead. 461 * header is going to be modified. Use pskb_copy() instead.
461 */ 462 */
462 463
463struct sk_buff *skb_copy(const struct sk_buff *skb, int gfp_mask) 464struct sk_buff *skb_copy(const struct sk_buff *skb, unsigned int __nocast gfp_mask)
464{ 465{
465 int headerlen = skb->data - skb->head; 466 int headerlen = skb->data - skb->head;
466 /* 467 /*
@@ -499,7 +500,7 @@ struct sk_buff *skb_copy(const struct sk_buff *skb, int gfp_mask)
499 * The returned buffer has a reference count of 1. 500 * The returned buffer has a reference count of 1.
500 */ 501 */
501 502
502struct sk_buff *pskb_copy(struct sk_buff *skb, int gfp_mask) 503struct sk_buff *pskb_copy(struct sk_buff *skb, unsigned int __nocast gfp_mask)
503{ 504{
504 /* 505 /*
505 * Allocate the copy buffer 506 * Allocate the copy buffer
@@ -557,7 +558,8 @@ out:
557 * reloaded after call to this function. 558 * reloaded after call to this function.
558 */ 559 */
559 560
560int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, int gfp_mask) 561int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
562 unsigned int __nocast gfp_mask)
561{ 563{
562 int i; 564 int i;
563 u8 *data; 565 u8 *data;
@@ -647,7 +649,8 @@ struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, unsigned int headroom)
647 * only by netfilter in the cases when checksum is recalculated? --ANK 649 * only by netfilter in the cases when checksum is recalculated? --ANK
648 */ 650 */
649struct sk_buff *skb_copy_expand(const struct sk_buff *skb, 651struct sk_buff *skb_copy_expand(const struct sk_buff *skb,
650 int newheadroom, int newtailroom, int gfp_mask) 652 int newheadroom, int newtailroom,
653 unsigned int __nocast gfp_mask)
651{ 654{
652 /* 655 /*
653 * Allocate the copy buffer 656 * Allocate the copy buffer
diff --git a/net/core/sock.c b/net/core/sock.c
index a6ec3ada7f9e..8b35ccdc2b3b 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -622,7 +622,8 @@ lenout:
622 * @prot: struct proto associated with this new sock instance 622 * @prot: struct proto associated with this new sock instance
623 * @zero_it: if we should zero the newly allocated sock 623 * @zero_it: if we should zero the newly allocated sock
624 */ 624 */
625struct sock *sk_alloc(int family, int priority, struct proto *prot, int zero_it) 625struct sock *sk_alloc(int family, unsigned int __nocast priority,
626 struct proto *prot, int zero_it)
626{ 627{
627 struct sock *sk = NULL; 628 struct sock *sk = NULL;
628 kmem_cache_t *slab = prot->slab; 629 kmem_cache_t *slab = prot->slab;
@@ -750,7 +751,8 @@ unsigned long sock_i_ino(struct sock *sk)
750/* 751/*
751 * Allocate a skb from the socket's send buffer. 752 * Allocate a skb from the socket's send buffer.
752 */ 753 */
753struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force, int priority) 754struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
755 unsigned int __nocast priority)
754{ 756{
755 if (force || atomic_read(&sk->sk_wmem_alloc) < sk->sk_sndbuf) { 757 if (force || atomic_read(&sk->sk_wmem_alloc) < sk->sk_sndbuf) {
756 struct sk_buff * skb = alloc_skb(size, priority); 758 struct sk_buff * skb = alloc_skb(size, priority);
@@ -765,7 +767,8 @@ struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force, int
765/* 767/*
766 * Allocate a skb from the socket's receive buffer. 768 * Allocate a skb from the socket's receive buffer.
767 */ 769 */
768struct sk_buff *sock_rmalloc(struct sock *sk, unsigned long size, int force, int priority) 770struct sk_buff *sock_rmalloc(struct sock *sk, unsigned long size, int force,
771 unsigned int __nocast priority)
769{ 772{
770 if (force || atomic_read(&sk->sk_rmem_alloc) < sk->sk_rcvbuf) { 773 if (force || atomic_read(&sk->sk_rmem_alloc) < sk->sk_rcvbuf) {
771 struct sk_buff *skb = alloc_skb(size, priority); 774 struct sk_buff *skb = alloc_skb(size, priority);
@@ -780,7 +783,7 @@ struct sk_buff *sock_rmalloc(struct sock *sk, unsigned long size, int force, int
780/* 783/*
781 * Allocate a memory block from the socket's option memory buffer. 784 * Allocate a memory block from the socket's option memory buffer.
782 */ 785 */
783void *sock_kmalloc(struct sock *sk, int size, int priority) 786void *sock_kmalloc(struct sock *sk, int size, unsigned int __nocast priority)
784{ 787{
785 if ((unsigned)size <= sysctl_optmem_max && 788 if ((unsigned)size <= sysctl_optmem_max &&
786 atomic_read(&sk->sk_omem_alloc) + size < sysctl_optmem_max) { 789 atomic_read(&sk->sk_omem_alloc) + size < sysctl_optmem_max) {
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index e041d057ec86..e3f8ea1bfa9c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1613,7 +1613,7 @@ void tcp_send_fin(struct sock *sk)
1613 * was unread data in the receive queue. This behavior is recommended 1613 * was unread data in the receive queue. This behavior is recommended
1614 * by draft-ietf-tcpimpl-prob-03.txt section 3.10. -DaveM 1614 * by draft-ietf-tcpimpl-prob-03.txt section 3.10. -DaveM
1615 */ 1615 */
1616void tcp_send_active_reset(struct sock *sk, int priority) 1616void tcp_send_active_reset(struct sock *sk, unsigned int __nocast priority)
1617{ 1617{
1618 struct tcp_sock *tp = tcp_sk(sk); 1618 struct tcp_sock *tp = tcp_sk(sk);
1619 struct sk_buff *skb; 1619 struct sk_buff *skb;