diff options
author | Colin Cross <ccross@android.com> | 2011-07-12 20:10:37 -0700 |
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committer | Colin Cross <ccross@android.com> | 2011-07-12 20:10:37 -0700 |
commit | 75c56a81116e51c5cf15c0641906d0745188cd16 (patch) | |
tree | c1d8e7def5bbb099a39d5e9ccfb13508ea5ca46a /net/ipv4/tcp.c | |
parent | b4294d618e8a19bb47826e51ae52b9fb2fe05f80 (diff) | |
parent | 620917de59eeb934b9f8cf35cc2d95c1ac8ed0fc (diff) |
Merge commit 'v3.0-rc7' into android-3.0
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r-- | net/ipv4/tcp.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 0387db527de9..5eb7af23461e 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3233,7 +3233,7 @@ __setup("thash_entries=", set_thash_entries); void __init tcp_init(void) { struct sk_buff *skb = NULL; - unsigned long nr_pages, limit; + unsigned long limit; int i, max_share, cnt; unsigned long jiffy = jiffies; @@ -3290,13 +3290,7 @@ void __init tcp_init(void) sysctl_tcp_max_orphans = cnt / 2; sysctl_max_syn_backlog = max(128, cnt / 256); - /* Set the pressure threshold to be a fraction of global memory that - * is up to 1/2 at 256 MB, decreasing toward zero with the amount of - * memory, with a floor of 128 pages. - */ - 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 = nr_free_buffer_pages() / 8; limit = max(limit, 128UL); sysctl_tcp_mem[0] = limit / 4 * 3; sysctl_tcp_mem[1] = limit; |