diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-15 23:12:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-15 23:12:58 +0200 |
| commit | 1e09481365ce248dbb4eb06dad70129bb5807037 (patch) | |
| tree | c0cff5bef95c8b5e7486f144718ade9a06c284dc /net/ipv4/tcp.c | |
| parent | 3e2f69fdd1b00166e7d589bce56b2d36a9e74374 (diff) | |
| parent | b9d2252c1e44fa83a4e65fdc9eb93db6297c55af (diff) | |
Merge branch 'linus' into core/softlockup
Conflicts:
kernel/softlockup.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index fc54a48fde1..1d723de1868 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -255,11 +255,14 @@ #include <linux/init.h> #include <linux/fs.h> #include <linux/skbuff.h> +#include <linux/scatterlist.h> #include <linux/splice.h> #include <linux/net.h> #include <linux/socket.h> #include <linux/random.h> #include <linux/bootmem.h> +#include <linux/highmem.h> +#include <linux/swap.h> #include <linux/cache.h> #include <linux/err.h> #include <linux/crypto.h> @@ -1206,7 +1209,8 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc, return -ENOTCONN; while ((skb = tcp_recv_skb(sk, seq, &offset)) != NULL) { if (offset < skb->len) { - size_t used, len; + int used; + size_t len; len = skb->len - offset; /* Stop reading if we hit a patch of urgent data */ @@ -2620,7 +2624,7 @@ __setup("thash_entries=", set_thash_entries); void __init tcp_init(void) { struct sk_buff *skb = NULL; - unsigned long limit; + unsigned long nr_pages, limit; int order, i, max_share; BUILD_BUG_ON(sizeof(struct tcp_skb_cb) > sizeof(skb->cb)); @@ -2689,8 +2693,9 @@ void __init tcp_init(void) * is up to 1/2 at 256 MB, decreasing toward zero with the amount of * memory, with a floor of 128 pages. */ - limit = min(nr_all_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT); - limit = (limit * (nr_all_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11); + nr_pages = totalram_pages - totalhigh_pages; + limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT); + limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11); limit = max(limit, 128UL); sysctl_tcp_mem[0] = limit / 4 * 3; sysctl_tcp_mem[1] = limit; |