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author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-21 10:12:39 -0400 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-05-21 10:12:39 -0400 |
commit | b3f87b98aa3dc22cc58f970140113b270015cddb (patch) | |
tree | c4aec5996567ad96310f61e9244e799f41bf2625 /net/ipv4/tcp.c | |
parent | 041245c88a29273788e8eff1353bc6e1f56c61df (diff) | |
parent | 1afeaf5c29aa07db25760d2fbed5c08a3aec3498 (diff) |
Merge branch 'bugfixes' into nfs-for-next
Diffstat (limited to 'net/ipv4/tcp.c')
-rw-r--r-- | net/ipv4/tcp.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 8bb6adeb62c0..1272a88c2a63 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c | |||
@@ -3243,7 +3243,7 @@ void __init tcp_init(void) | |||
3243 | { | 3243 | { |
3244 | struct sk_buff *skb = NULL; | 3244 | struct sk_buff *skb = NULL; |
3245 | unsigned long limit; | 3245 | unsigned long limit; |
3246 | int max_share, cnt; | 3246 | int max_rshare, max_wshare, cnt; |
3247 | unsigned int i; | 3247 | unsigned int i; |
3248 | unsigned long jiffy = jiffies; | 3248 | unsigned long jiffy = jiffies; |
3249 | 3249 | ||
@@ -3303,15 +3303,16 @@ void __init tcp_init(void) | |||
3303 | tcp_init_mem(&init_net); | 3303 | tcp_init_mem(&init_net); |
3304 | /* Set per-socket limits to no more than 1/128 the pressure threshold */ | 3304 | /* Set per-socket limits to no more than 1/128 the pressure threshold */ |
3305 | limit = nr_free_buffer_pages() << (PAGE_SHIFT - 7); | 3305 | limit = nr_free_buffer_pages() << (PAGE_SHIFT - 7); |
3306 | max_share = min(4UL*1024*1024, limit); | 3306 | max_wshare = min(4UL*1024*1024, limit); |
3307 | max_rshare = min(6UL*1024*1024, limit); | ||
3307 | 3308 | ||
3308 | sysctl_tcp_wmem[0] = SK_MEM_QUANTUM; | 3309 | sysctl_tcp_wmem[0] = SK_MEM_QUANTUM; |
3309 | sysctl_tcp_wmem[1] = 16*1024; | 3310 | sysctl_tcp_wmem[1] = 16*1024; |
3310 | sysctl_tcp_wmem[2] = max(64*1024, max_share); | 3311 | sysctl_tcp_wmem[2] = max(64*1024, max_wshare); |
3311 | 3312 | ||
3312 | sysctl_tcp_rmem[0] = SK_MEM_QUANTUM; | 3313 | sysctl_tcp_rmem[0] = SK_MEM_QUANTUM; |
3313 | sysctl_tcp_rmem[1] = 87380; | 3314 | sysctl_tcp_rmem[1] = 87380; |
3314 | sysctl_tcp_rmem[2] = max(87380, max_share); | 3315 | sysctl_tcp_rmem[2] = max(87380, max_rshare); |
3315 | 3316 | ||
3316 | pr_info("Hash tables configured (established %u bind %u)\n", | 3317 | pr_info("Hash tables configured (established %u bind %u)\n", |
3317 | tcp_hashinfo.ehash_mask + 1, tcp_hashinfo.bhash_size); | 3318 | tcp_hashinfo.ehash_mask + 1, tcp_hashinfo.bhash_size); |