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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2016-01-16 03:53:39 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-16 04:56:32 +0300
commit4b471e8898c3d0f5c97a3c73ac32d0549fe01c87 (patch)
tree644aa22e14f779dc7aad0d169cfbd8abe9fdc6a6 /mm/page_idle.c
parent1f19617d775879c0863e697fb648154e56918051 (diff)
downloadlinux-4b471e8898c3d0f5c97a3c73ac32d0549fe01c87.tar.xz
mm, thp: remove infrastructure for handling splitting PMDs
With new refcounting we don't need to mark PMDs splitting. Let's drop code to handle this. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Tested-by: Sasha Levin <sasha.levin@oracle.com> Tested-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Jerome Marchand <jmarchan@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Steve Capper <steve.capper@linaro.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Christoph Lameter <cl@linux.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_idle.c')
-rw-r--r--mm/page_idle.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/page_idle.c b/mm/page_idle.c
index d5dd79041484..1c245d9027e3 100644
--- a/mm/page_idle.c
+++ b/mm/page_idle.c
@@ -61,8 +61,7 @@ static int page_idle_clear_pte_refs_one(struct page *page,
bool referenced = false;
if (unlikely(PageTransHuge(page))) {
- pmd = page_check_address_pmd(page, mm, addr,
- PAGE_CHECK_ADDRESS_PMD_FLAG, &ptl);
+ pmd = page_check_address_pmd(page, mm, addr, &ptl);
if (pmd) {
referenced = pmdp_clear_young_notify(vma, addr, pmd);
spin_unlock(ptl);