diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/DocBook/80211.tmpl | 21 | ||||
| -rw-r--r-- | Documentation/cgroups/memory.txt | 74 | ||||
| -rw-r--r-- | Documentation/filesystems/Locking | 2 |
3 files changed, 17 insertions, 80 deletions
diff --git a/Documentation/DocBook/80211.tmpl b/Documentation/DocBook/80211.tmpl index 03641a08e275..8906648f962b 100644 --- a/Documentation/DocBook/80211.tmpl +++ b/Documentation/DocBook/80211.tmpl @@ -268,10 +268,6 @@ !Finclude/net/mac80211.h ieee80211_ops !Finclude/net/mac80211.h ieee80211_alloc_hw !Finclude/net/mac80211.h ieee80211_register_hw -!Finclude/net/mac80211.h ieee80211_get_tx_led_name -!Finclude/net/mac80211.h ieee80211_get_rx_led_name -!Finclude/net/mac80211.h ieee80211_get_assoc_led_name -!Finclude/net/mac80211.h ieee80211_get_radio_led_name !Finclude/net/mac80211.h ieee80211_unregister_hw !Finclude/net/mac80211.h ieee80211_free_hw </chapter> @@ -382,6 +378,23 @@ </para> </partintro> + <chapter id="led-support"> + <title>LED support</title> + <para> + Mac80211 supports various ways of blinking LEDs. Wherever possible, + device LEDs should be exposed as LED class devices and hooked up to + the appropriate trigger, which will then be triggered appropriately + by mac80211. + </para> +!Finclude/net/mac80211.h ieee80211_get_tx_led_name +!Finclude/net/mac80211.h ieee80211_get_rx_led_name +!Finclude/net/mac80211.h ieee80211_get_assoc_led_name +!Finclude/net/mac80211.h ieee80211_get_radio_led_name +!Finclude/net/mac80211.h ieee80211_tpt_blink +!Finclude/net/mac80211.h ieee80211_tpt_led_trigger_flags +!Finclude/net/mac80211.h ieee80211_create_tpt_led_trigger + </chapter> + <chapter id="hardware-crypto-offload"> <title>Hardware crypto acceleration</title> !Pinclude/net/mac80211.h Hardware crypto acceleration diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt index bac328c232f5..7781857dc940 100644 --- a/Documentation/cgroups/memory.txt +++ b/Documentation/cgroups/memory.txt @@ -385,10 +385,6 @@ mapped_file - # of bytes of mapped file (includes tmpfs/shmem) pgpgin - # of pages paged in (equivalent to # of charging events). pgpgout - # of pages paged out (equivalent to # of uncharging events). swap - # of bytes of swap usage -dirty - # of bytes that are waiting to get written back to the disk. -writeback - # of bytes that are actively being written back to the disk. -nfs_unstable - # of bytes sent to the NFS server, but not yet committed to - the actual storage. inactive_anon - # of bytes of anonymous memory and swap cache memory on LRU list. active_anon - # of bytes of anonymous and swap cache memory on active @@ -410,9 +406,6 @@ total_mapped_file - sum of all children's "cache" total_pgpgin - sum of all children's "pgpgin" total_pgpgout - sum of all children's "pgpgout" total_swap - sum of all children's "swap" -total_dirty - sum of all children's "dirty" -total_writeback - sum of all children's "writeback" -total_nfs_unstable - sum of all children's "nfs_unstable" total_inactive_anon - sum of all children's "inactive_anon" total_active_anon - sum of all children's "active_anon" total_inactive_file - sum of all children's "inactive_file" @@ -460,73 +453,6 @@ memory under it will be reclaimed. You can reset failcnt by writing 0 to failcnt file. # echo 0 > .../memory.failcnt -5.5 dirty memory - -Control the maximum amount of dirty pages a cgroup can have at any given time. - -Limiting dirty memory is like fixing the max amount of dirty (hard to reclaim) -page cache used by a cgroup. So, in case of multiple cgroup writers, they will -not be able to consume more than their designated share of dirty pages and will -be forced to perform write-out if they cross that limit. - -The interface is equivalent to the procfs interface: /proc/sys/vm/dirty_*. It -is possible to configure a limit to trigger both a direct writeback or a -background writeback performed by per-bdi flusher threads. The root cgroup -memory.dirty_* control files are read-only and match the contents of -the /proc/sys/vm/dirty_* files. - -Per-cgroup dirty limits can be set using the following files in the cgroupfs: - -- memory.dirty_ratio: the amount of dirty memory (expressed as a percentage of - cgroup memory) at which a process generating dirty pages will itself start - writing out dirty data. - -- memory.dirty_limit_in_bytes: the amount of dirty memory (expressed in bytes) - in the cgroup at which a process generating dirty pages will start itself - writing out dirty data. Suffix (k, K, m, M, g, or G) can be used to indicate - that value is kilo, mega or gigabytes. - - Note: memory.dirty_limit_in_bytes is the counterpart of memory.dirty_ratio. - Only one of them may be specified at a time. When one is written it is - immediately taken into account to evaluate the dirty memory limits and the - other appears as 0 when read. - -- memory.dirty_background_ratio: the amount of dirty memory of the cgroup - (expressed as a percentage of cgroup memory) at which background writeback - kernel threads will start writing out dirty data. - -- memory.dirty_background_limit_in_bytes: the amount of dirty memory (expressed - in bytes) in the cgroup at which background writeback kernel threads will - start writing out dirty data. Suffix (k, K, m, M, g, or G) can be used to - indicate that value is kilo, mega or gigabytes. - - Note: memory.dirty_background_limit_in_bytes is the counterpart of - memory.dirty_background_ratio. Only one of them may be specified at a time. - When one is written it is immediately taken into account to evaluate the dirty - memory limits and the other appears as 0 when read. - -A cgroup may contain more dirty memory than its dirty limit. This is possible -because of the principle that the first cgroup to touch a page is charged for -it. Subsequent page counting events (dirty, writeback, nfs_unstable) are also -counted to the originally charged cgroup. - -Example: If page is allocated by a cgroup A task, then the page is charged to -cgroup A. If the page is later dirtied by a task in cgroup B, then the cgroup A -dirty count will be incremented. If cgroup A is over its dirty limit but cgroup -B is not, then dirtying a cgroup A page from a cgroup B task may push cgroup A -over its dirty limit without throttling the dirtying cgroup B task. - -When use_hierarchy=0, each cgroup has dirty memory usage and limits. -System-wide dirty limits are also consulted. Dirty memory consumption is -checked against both system-wide and per-cgroup dirty limits. - -The current implementation does not enforce per-cgroup dirty limits when -use_hierarchy=1. System-wide dirty limits are used for processes in such -cgroups. Attempts to read memory.dirty_* files return the system-wide -values. Writes to the memory.dirty_* files return error. An enhanced -implementation is needed to check the chain of parents to ensure that no -dirty limit is exceeded. - 6. Hierarchy support The memory controller supports a deep hierarchy and hierarchical accounting. diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 977d8919cc69..ef9349a4b5d1 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -343,7 +343,6 @@ prototypes: int (*fl_grant)(struct file_lock *, struct file_lock *, int); void (*fl_release_private)(struct file_lock *); void (*fl_break)(struct file_lock *); /* break_lease callback */ - int (*fl_mylease)(struct file_lock *, struct file_lock *); int (*fl_change)(struct file_lock **, int); locking rules: @@ -353,7 +352,6 @@ fl_notify: yes no fl_grant: no no fl_release_private: maybe no fl_break: yes no -fl_mylease: yes no fl_change yes no --------------------------- buffer_head ----------------------------------- |
