doc: add the documentation for mpol=local (55741696) · Commits · 戴 / test

commit (mempolicy: support mpol=local tmpfs mount option) added new mpol=local mount option. but it didn't add a documentation. This patch does it. Signed-off-by:

KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Ravikiran Thirumalai <kiran@scalex86.org> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Mel Gorman <mel@csn.ul.ie> Acked-by:

Lee Schermerhorn <lee.schermerhorn@hp.com> Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk> Cc: <stable@kernel.org> Signed-off-by:

Andrew Morton <akpm@linux-foundation.org> Signed-off-by:

Linus Torvalds <torvalds@linux-foundation.org>

Documentation/filesystems/tmpfs.txt

+5 −1

Original line number	Diff line number	Diff line
		@@ -82,11 +82,13 @@ tmpfs has a mount option to set the NUMA memory allocation policy for
		all files in that instance (if CONFIG_NUMA is enabled) - which can be
		adjusted on the fly via 'mount -o remount ...'

		mpol=default prefers to allocate memory from the local node
		mpol=default use the process allocation policy
		(see set_mempolicy(2))
		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
		mpol=local prefers to allocate memory from the local node

		NodeList format is a comma-separated list of decimal numbers and ranges,
		a range being two hyphen-separated decimal numbers, the smallest and
		@@ -134,3 +136,5 @@ Author:
		Christoph Rohland <cr@sap.com>, 1.12.01
		Updated:
		Hugh Dickins, 4 June 2007
		Updated:
		KOSAKI Motohiro, 16 Mar 2010

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