Add documentation for /proc/<pid>/numa_vamaps in Documentation/filesystems/proc.txt Signed-off-by: Prakash Sangappa <prakash.sangappa@xxxxxxxxxx> Reviewed-by: Steve Sistare <steven.sistare@xxxxxxxxxx> --- Documentation/filesystems/proc.txt | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 22b4b00..7095216 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -150,6 +150,9 @@ Table 1-1: Process specific entries in /proc each mapping and flags associated with it numa_maps an extension based on maps, showing the memory locality and binding policy as well as mem usage (in pages) of each mapping. + numa_vamaps Presents information about mapped address ranges to numa node + from where the physical memory is allocated. + .............................................................................. For example, to get the status information of a process, all you have to do is @@ -571,6 +574,24 @@ Where: node locality page counters (N0 == node0, N1 == node1, ...) and the kernel page size, in KB, that is backing the mapping up. +The /proc/pid/numa_vamaps shows mapped address ranges to numa node id from +where the physical pages are allocated. For mapped address ranges not having +any pages mapped a '-' is shown instead of the node id. Each line in the file +will show address range to one numa node. + +address-range numa-node-id + +00400000-00410000 N1 +00410000-0047f000 N0 +0047f000-00480000 N2 +00480000-00481000 - +00481000-004a0000 N0 +004a0000-004a2000 - +004a2000-004aa000 N2 +004aa000-004ad000 N0 +004ad000-004ae000 - +.. + 1.2 Kernel data --------------- -- 2.7.4
