Messages in this thread Patch in this message | | | Date | Tue, 20 Mar 2012 20:30:48 +0800 | Subject | [PATCH] autonuma: release page_table_lock in scanning pmd | From | Hillf Danton <> |
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Only for unlikely corner case, unlock is added to pair lock.
Signed-off-by: Hillf Danton <dhillf@gmail.com> ---
--- a/mm/autonuma.c Sat Mar 17 11:01:50 2012 +++ b/mm/autonuma.c Tue Mar 20 19:58:44 2012 @@ -522,7 +522,8 @@ static int knumad_scan_pmd(struct mm_str spin_unlock(&mm->page_table_lock); goto out; } - } + } else + spin_unlock(&mm->page_table_lock); }
VM_BUG_ON(!pmd_present(*pmd)); --
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