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mm: convert the rest to new page table lock api

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Only trivial cases left. Let's convert them altogether.

Signed-off-by: Naoya Horiguchi <[email protected]>
Signed-off-by: Kirill A. Shutemov <[email protected]>
Tested-by: Alex Thorlton <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: "Eric W . Biederman" <[email protected]>
Cc: "Paul E . McKenney" <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Dave Jones <[email protected]>
Cc: David Howells <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Michael Kerrisk <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Robin Holt <[email protected]>
Cc: Sedat Dilek <[email protected]>
Cc: Srikar Dronamraju <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Hugh Dickins <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kirill A. Shutemov 2013-11-14 14:31:04 -08:00 • committed by Linus Torvalds
commit c4088ebdca
4 changed files with 73 additions and 59 deletions
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7
mm/migrate.c
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@ -1667,6 +1667,7 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
unsigned long address,
struct page *page, int node)
{
spinlock_t *ptl;
unsigned long haddr = address & HPAGE_PMD_MASK;
pg_data_t *pgdat = NODE_DATA(node);
int isolated = 0;
@ -1706,9 +1707,9 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
WARN_ON(PageLRU(new_page));
/* Recheck the target PMD */
spin_lock(&mm->page_table_lock);
ptl = pmd_lock(mm, pmd);
if (unlikely(!pmd_same(*pmd, entry))) {
spin_unlock(&mm->page_table_lock);
spin_unlock(ptl);
/* Reverse changes made by migrate_page_copy() */
if (TestClearPageActive(new_page))
@ -1753,7 +1754,7 @@ int migrate_misplaced_transhuge_page(struct mm_struct *mm,
* before it's fully transferred to the new page.
*/
mem_cgroup_end_migration(memcg, page, new_page, true);
spin_unlock(&mm->page_table_lock);
spin_unlock(ptl);
unlock_page(new_page);
unlock_page(page);