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Naoya Horiguchi dd8f776dbe mm/hugetlb: use pmd_page() in follow_huge_pmd() 
[ Upstream commit 9753412701 ]

Commit 61f77eda9b ("mm/hugetlb: reduce arch dependent code around
follow_huge_*") broke follow_huge_pmd() on s390, where pmd and pte
layout differ and using pte_page() on a huge pmd will return wrong
results.  Using pmd_page() instead fixes this.

All architectures that were touched by that commit have pmd_page()
defined, so this should not break anything on other architectures.

Fixes: 61f77eda "mm/hugetlb: reduce arch dependent code around follow_huge_*"
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Michal Hocko <mhocko@suse.cz>, Andrea Arcangeli <aarcange@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
History 2015-05-17 19:12:31 -04:00
..
configs [IA64] refresh arch/ia64/configs/* using "make savedefconfig" 2014-09-23 11:09:29 -07:00
dig Disintegrate asm/system.h for IA64 2012-03-28 18:30:02 +01:00
hp ACPI / ia64 / sba_iommu: Restore the working initialization ordering 2014-06-16 22:33:20 +02:00
include Merge git://git.infradead.org/users/eparis/audit 2014-10-19 16:25:56 -07:00
kernel Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-23 14:45:09 -07:00
kvm kvm: fix kvm_is_mmio_pfn() and rename to kvm_is_reserved_pfn() 2014-11-26 14:40:45 +01:00
lib Fix common misspellings 2011-03-31 11:26:23 -03:00
mm mm/hugetlb: use pmd_page() in follow_huge_pmd() 2015-05-17 19:12:31 -04:00
oprofile Disintegrate asm/system.h for IA64 2012-03-28 18:30:02 +01:00
pci vgaarb: Don't default exclusively to first video device with mem+io 2014-09-16 13:06:18 -06:00
scripts scripts: change scripts to use system python instead of env 2010-02-02 14:33:56 +01:00
sn Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
uv ia64: change to new flag variables 2011-03-17 14:02:56 +01:00
install.sh kbuild: use INSTALLKERNEL to select customized installkernel script 2009-09-20 12:18:14 +02:00
Kconfig kexec: remove CONFIG_KEXEC dependency on crypto 2014-08-29 16:28:16 -07:00
Kconfig.debug [PATCH] Move Kprobes and Oprofile to "Instrumentation Support" menu 2005-11-07 07:53:35 -08:00
Makefile kbuild: allow to override Python command name 2014-07-18 10:17:58 +02:00
module.lds Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00