mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION
authorNaoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Fri, 8 Sep 2017 23:10:53 +0000 (16:10 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 9 Sep 2017 01:26:45 +0000 (18:26 -0700)
commit9c670ea37947a82cb6d4df69139f7e46ed71a0ac
tree972b54f55cc091db48ddbdb5df1ceb7e544196c5
parentb5ff8161e37cef3265e186ecded23324e4dc2973
mm: thp: introduce CONFIG_ARCH_ENABLE_THP_MIGRATION

Introduce CONFIG_ARCH_ENABLE_THP_MIGRATION to limit thp migration
functionality to x86_64, which should be safer at the first step.

Link: http://lkml.kernel.org/r/20170717193955.20207-5-zi.yan@sent.com
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Zi Yan <zi.yan@cs.rutgers.edu>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: David Nellans <dnellans@nvidia.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/x86/Kconfig
include/linux/huge_mm.h
mm/Kconfig