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authorYisheng Xie <xieyisheng1@huawei.com>2016-10-08 03:01:46 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-08 04:46:29 +0300
commit461a7184320a1b4d2c12ad538354062fef4ee0f1 (patch)
tree275112facfca37fbd1f6e566c2d905b4a6727d00 /fs
parent82e7d3abec86cba9df945a765bba384f8ac113a7 (diff)
downloadlinux-461a7184320a1b4d2c12ad538354062fef4ee0f1.tar.xz
mm/hugetlb: introduce ARCH_HAS_GIGANTIC_PAGE
Avoid making ifdef get pretty unwieldy if many ARCHs support gigantic page. No functional change with this patch. Link: http://lkml.kernel.org/r/1475227569-63446-2-git-send-email-xieyisheng1@huawei.com Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> Suggested-by: Michal Hocko <mhocko@suse.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com> Cc: Hanjun Guo <guohanjun@huawei.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/Kconfig3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/Kconfig b/fs/Kconfig
index 3ef62bad8f2b..4bd03a2b0518 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -200,6 +200,9 @@ config HUGETLBFS
config HUGETLB_PAGE
def_bool HUGETLBFS
+config ARCH_HAS_GIGANTIC_PAGE
+ bool
+
source "fs/configfs/Kconfig"
source "fs/efivarfs/Kconfig"