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linux-next/init
Andrea Arcangeli be3a728427 mm: numa: pte_numa() and pmd_numa()
Implement pte_numa and pmd_numa.

We must atomically set the numa bit and clear the present bit to
define a pte_numa or pmd_numa.

Once a pte or pmd has been set as pte_numa or pmd_numa, the next time
a thread touches a virtual address in the corresponding virtual range,
a NUMA hinting page fault will trigger. The NUMA hinting page fault
will clear the NUMA bit and set the present bit again to resolve the
page fault.

The expectation is that a NUMA hinting page fault is used as part
of a placement policy that decides if a page should remain on the
current node or migrated to a different node.

Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Mel Gorman <mgorman@suse.de>
2012-12-11 14:42:36 +00:00
..
calibrate.c init: check printed flag to skip printing message 2012-03-23 16:58:38 -07:00
do_mounts_initrd.c don't bother with kernel_thread/kernel_execve for launching linuxrc 2012-10-11 21:40:30 -04:00
do_mounts_md.c init: disable sparse checking of the mount.o source files 2012-05-31 17:49:27 -07:00
do_mounts_rd.c init: disable sparse checking of the mount.o source files 2012-05-31 17:49:27 -07:00
do_mounts.c vfs: allocate page instead of names_cache buffer in mount_block_root 2012-10-12 00:32:03 -04:00
do_mounts.h md: move lots of #include lines out of .h files and into .c 2009-03-31 14:33:13 +11:00
init_task.c init_task: Create generic init_task instance 2012-05-05 13:00:21 +02:00
initramfs.c init: disable sparse checking of the mount.o source files 2012-05-31 17:49:27 -07:00
Kconfig mm: numa: pte_numa() and pmd_numa() 2012-12-11 14:42:36 +00:00
main.c FRV: gcc-4.1.2 also inlines weak functions 2012-11-02 13:20:42 +00:00
Makefile init_task: Replace CONFIG_HAVE_GENERIC_INIT_TASK 2012-05-05 13:00:46 +02:00
noinitramfs.c init: mark __user address space on string literals 2010-10-26 16:52:15 -07:00
version.c userns: add a user_namespace as creator/owner of uts_namespace 2011-03-23 19:46:59 -07:00