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(parent: 5570869) | patch
fs/aio: Add support to aio ring pages migration
authorGu Zheng <guz.fnst@cn.fujitsu.com>
Tue, 16 Jul 2013 09:56:16 +0000 (17:56 +0800)
committerBenjamin LaHaise <bcrl@kvack.org>
Tue, 16 Jul 2013 13:32:18 +0000 (09:32 -0400)
commit36bc08cc01709b4a9bb563b35aa530241ddc63e3
treedc441c213b61e83416f77400cb0492b09d2dbf7atree | snapshot
parent55708698c5f153f4e390175cdfc395333b2eafbdcommit | diff
fs/aio: Add support to aio ring pages migration

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>
fs/aio.c diff | blob | history
include/linux/migrate.h diff | blob | history
mm/migrate.c diff | blob | history
Domain: System / Uncategorized;