diff options
author | Paul Mackerras <paulus@samba.org> | 2008-06-09 12:19:41 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2008-06-09 12:19:41 +1000 |
commit | 8a3e1c670e503ddd6f6c373b307f38b783ee3a50 (patch) | |
tree | 03094e8425b750d2693a271ebc89b49312e5476a /Documentation/cpusets.txt | |
parent | e026892c85571e12f11abffde5a90bcc704d663e (diff) | |
parent | 60d5019be8acef268f4676d229c490186d338fbc (diff) |
Merge branch 'merge'
Conflicts:
arch/powerpc/sysdev/fsl_soc.c
Diffstat (limited to 'Documentation/cpusets.txt')
-rw-r--r-- | Documentation/cpusets.txt | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/cpusets.txt b/Documentation/cpusets.txt index fb7b361e6ee..d803c5c68ab 100644 --- a/Documentation/cpusets.txt +++ b/Documentation/cpusets.txt @@ -199,7 +199,7 @@ using the sched_setaffinity, mbind and set_mempolicy system calls. The following rules apply to each cpuset: - Its CPUs and Memory Nodes must be a subset of its parents. - - It can only be marked exclusive if its parent is. + - It can't be marked exclusive unless its parent is. - If its cpu or memory is exclusive, they may not overlap any sibling. These rules, and the natural hierarchy of cpusets, enable efficient @@ -345,7 +345,7 @@ is modified to perform an inline check for this PF_SPREAD_PAGE task flag, and if set, a call to a new routine cpuset_mem_spread_node() returns the node to prefer for the allocation. -Similarly, setting 'memory_spread_cache' turns on the flag +Similarly, setting 'memory_spread_slab' turns on the flag PF_SPREAD_SLAB, and appropriately marked slab caches will allocate pages from the node returned by cpuset_mem_spread_node(). @@ -709,7 +709,10 @@ Now you want to do something with this cpuset. In this directory you can find several files: # ls -cpus cpu_exclusive mems mem_exclusive mem_hardwall tasks +cpu_exclusive memory_migrate mems tasks +cpus memory_pressure notify_on_release +mem_exclusive memory_spread_page sched_load_balance +mem_hardwall memory_spread_slab sched_relax_domain_level Reading them will give you information about the state of this cpuset: the CPUs and Memory Nodes it can use, the processes that are using |