fs/aio: Add support to aio ring pages migration

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As the aio job will pin the ring pages, that will lead to mem migrated
failed. In order to fix this problem we use an anon inode to manage the aio ring
pages, and  setup the migratepage callback in the anon inode's address space, so
that when mem migrating the aio ring pages will be moved to other mem node safely.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>

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Gu Zheng 2013-07-16 17:56:16 +08:00 • committed by Benjamin LaHaise

parent 55708698c5

commit 36bc08cc01

3 changed files with 112 additions and 12 deletions

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119

fs/aio.c

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3

include/linux/migrate.h

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2

mm/migrate.c

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