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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 containing the cpu where the allocation takes place. Internally, the Preferred policy uses a single node--the - preferred_node member of struct mempolicy. A "distinguished - value of this preferred_node, currently '-1', is interpreted - as "the node containing the cpu where the allocation takes - place"--local allocation. "Local" allocation policy can be - viewed as a Preferred policy that starts at the node containing - the cpu where the allocation takes place. + preferred_node member of struct mempolicy. When the internal + mode flag MPOL_F_LOCAL is set, the preferred_node is ignored and + the policy is interpreted as local allocation. "Local" allocation + policy can be viewed as a Preferred policy that starts at the node + containing the cpu where the allocation takes place. It is possible for the user to specify that local allocation is always preferred by passing an empty nodemask with this mode. |