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| author | Kirill A. Shutemov | 2013-11-14 23:30:56 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2013-11-15 01:32:14 +0100 |
| commit | 117b0791ac42f2ec447bc864e70ad622b5604059 (patch) | |
| tree | 3381f98791bcafd31ea4ae9d0fa566815112020d /mm/pgtable-generic.c | |
| parent | mm, thp: change pmd_trans_huge_lock() to return taken lock (diff) | |
| download | kernel-qcow2-linux-117b0791ac42f2ec447bc864e70ad622b5604059.tar.gz kernel-qcow2-linux-117b0791ac42f2ec447bc864e70ad622b5604059.tar.xz kernel-qcow2-linux-117b0791ac42f2ec447bc864e70ad622b5604059.zip | |
mm, thp: move ptl taking inside page_check_address_pmd()
With split page table lock we can't know which lock we need to take
before we find the relevant pmd.
Let's move lock taking inside the function.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Tested-by: Alex Thorlton <athorlton@sgi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "Eric W . Biederman" <ebiederm@xmission.com>
Cc: "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Jones <davej@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Robin Holt <robinmholt@gmail.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/pgtable-generic.c')
0 files changed, 0 insertions, 0 deletions