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authorDavid S. Miller <davem@davemloft.net>2010-09-08 23:49:04 -0700
committerDavid S. Miller <davem@davemloft.net>2010-09-08 23:49:04 -0700
commite199e6136ce6b151e6638ae93dca60748424d900 (patch)
tree0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /arch/s390/include/asm/tlbflush.h
parent972c40b5bee429c84ba727f8ac0a08292bc5dc3d (diff)
parentd56557af19867edb8c0e96f8e26399698a08857f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/s390/include/asm/tlbflush.h')
-rw-r--r--arch/s390/include/asm/tlbflush.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index 304cffa623e..29d5d6d4bec 100644
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -94,8 +94,12 @@ static inline void __tlb_flush_mm(struct mm_struct * mm)
static inline void __tlb_flush_mm_cond(struct mm_struct * mm)
{
- if (atomic_read(&mm->mm_users) <= 1 && mm == current->active_mm)
+ spin_lock(&mm->page_table_lock);
+ if (mm->context.flush_mm) {
__tlb_flush_mm(mm);
+ mm->context.flush_mm = 0;
+ }
+ spin_unlock(&mm->page_table_lock);
}
/*