summaryrefslogtreecommitdiff
path: root/Documentation/vm/numa_memory_policy.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/vm/numa_memory_policy.txt')
-rw-r--r--Documentation/vm/numa_memory_policy.txt11
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.