diff options
Diffstat (limited to 'Documentation/filesystems/proc.txt')
-rw-r--r-- | Documentation/filesystems/proc.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 3355e6920105..72af5de1effb 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt | |||
@@ -1220,9 +1220,9 @@ applications are using mlock(), or if you are running with no swap then | |||
1220 | you probably should increase the lower_zone_protection setting. | 1220 | you probably should increase the lower_zone_protection setting. |
1221 | 1221 | ||
1222 | The units of this tunable are fairly vague. It is approximately equal | 1222 | The units of this tunable are fairly vague. It is approximately equal |
1223 | to "megabytes". So setting lower_zone_protection=100 will protect around 100 | 1223 | to "megabytes," so setting lower_zone_protection=100 will protect around 100 |
1224 | megabytes of the lowmem zone from user allocations. It will also make | 1224 | megabytes of the lowmem zone from user allocations. It will also make |
1225 | those 100 megabytes unavaliable for use by applications and by | 1225 | those 100 megabytes unavailable for use by applications and by |
1226 | pagecache, so there is a cost. | 1226 | pagecache, so there is a cost. |
1227 | 1227 | ||
1228 | The effects of this tunable may be observed by monitoring | 1228 | The effects of this tunable may be observed by monitoring |
@@ -1538,10 +1538,10 @@ TCP settings | |||
1538 | tcp_ecn | 1538 | tcp_ecn |
1539 | ------- | 1539 | ------- |
1540 | 1540 | ||
1541 | This file controls the use of the ECN bit in the IPv4 headers, this is a new | 1541 | This file controls the use of the ECN bit in the IPv4 headers. This is a new |
1542 | feature about Explicit Congestion Notification, but some routers and firewalls | 1542 | feature about Explicit Congestion Notification, but some routers and firewalls |
1543 | block trafic that has this bit set, so it could be necessary to echo 0 to | 1543 | block traffic that has this bit set, so it could be necessary to echo 0 to |
1544 | /proc/sys/net/ipv4/tcp_ecn, if you want to talk to this sites. For more info | 1544 | /proc/sys/net/ipv4/tcp_ecn if you want to talk to these sites. For more info |
1545 | you could read RFC2481. | 1545 | you could read RFC2481. |
1546 | 1546 | ||
1547 | tcp_retrans_collapse | 1547 | tcp_retrans_collapse |