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author | Jeff Garzik <jeff@garzik.org> | 2006-02-23 21:16:27 -0500 |
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committer | Jeff Garzik <jeff@garzik.org> | 2006-02-23 21:16:27 -0500 |
commit | 7b0386921db20add25afd8678ed34a9253e512fc (patch) | |
tree | 8c6b888b76211e38e6c1c3006553dc4b2b24c75e /Documentation/filesystems/tmpfs.txt | |
parent | c5580a7ecb859c6821dd761c95fa150ec7695ae1 (diff) | |
parent | 22fe472cb430ce45c4fb9b6d13060dd724d6dbc8 (diff) |
Merge branch 'upstream-fixes'
Diffstat (limited to 'Documentation/filesystems/tmpfs.txt')
-rw-r--r-- | Documentation/filesystems/tmpfs.txt | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt index dbe4d87d261..8a155418c70 100644 --- a/Documentation/filesystems/tmpfs.txt +++ b/Documentation/filesystems/tmpfs.txt @@ -79,15 +79,18 @@ that instance in a system with many cpus making intensive use of it. tmpfs has a mount option to set the NUMA memory allocation policy for -all files in that instance: -mpol=interleave prefers to allocate memory from each node in turn -mpol=default prefers to allocate memory from the local node -mpol=bind prefers to allocate from mpol_nodelist -mpol=preferred prefers to allocate from first node in mpol_nodelist +all files in that instance (if CONFIG_NUMA is enabled) - which can be +adjusted on the fly via 'mount -o remount ...' -The following mount option is used in conjunction with mpol=interleave, -mpol=bind or mpol=preferred: -mpol_nodelist: nodelist suitable for parsing with nodelist_parse. +mpol=default prefers to allocate memory from the local node +mpol=prefer:Node prefers to allocate memory from the given Node +mpol=bind:NodeList allocates memory only from nodes in NodeList +mpol=interleave prefers to allocate from each node in turn +mpol=interleave:NodeList allocates from each node of NodeList in turn + +NodeList format is a comma-separated list of decimal numbers and ranges, +a range being two hyphen-separated decimal numbers, the smallest and +largest node numbers in the range. For example, mpol=bind:0-3,5,7,9-15 To specify the initial root directory you can use the following mount @@ -109,4 +112,4 @@ RAM/SWAP in 10240 inodes and it is only accessible by root. Author: Christoph Rohland <cr@sap.com>, 1.12.01 Updated: - Hugh Dickins <hugh@veritas.com>, 13 March 2005 + Hugh Dickins <hugh@veritas.com>, 19 February 2006 |