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Diffstat (limited to 'Documentation/vm/numa_memory_policy.txt')
| -rw-r--r-- | Documentation/vm/numa_memory_policy.txt | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/Documentation/vm/numa_memory_policy.txt b/Documentation/vm/numa_memory_policy.txt index 13cca5a3cf17..bad16d3f6a47 100644 --- a/Documentation/vm/numa_memory_policy.txt +++ b/Documentation/vm/numa_memory_policy.txt | |||
| @@ -176,12 +176,11 @@ Components of Memory Policies | |||
| 176 | containing the cpu where the allocation takes place. | 176 | containing the cpu where the allocation takes place. |
| 177 | 177 | ||
| 178 | Internally, the Preferred policy uses a single node--the | 178 | Internally, the Preferred policy uses a single node--the |
| 179 | preferred_node member of struct mempolicy. A "distinguished | 179 | preferred_node member of struct mempolicy. When the internal |
| 180 | value of this preferred_node, currently '-1', is interpreted | 180 | mode flag MPOL_F_LOCAL is set, the preferred_node is ignored and |
| 181 | as "the node containing the cpu where the allocation takes | 181 | the policy is interpreted as local allocation. "Local" allocation |
| 182 | place"--local allocation. "Local" allocation policy can be | 182 | policy can be viewed as a Preferred policy that starts at the node |
| 183 | viewed as a Preferred policy that starts at the node containing | 183 | containing the cpu where the allocation takes place. |
| 184 | the cpu where the allocation takes place. | ||
| 185 | 184 | ||
| 186 | It is possible for the user to specify that local allocation is | 185 | It is possible for the user to specify that local allocation is |
| 187 | always preferred by passing an empty nodemask with this mode. | 186 | always preferred by passing an empty nodemask with this mode. |