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| author | Jiri Kosina <jkosina@suse.cz> | 2010-09-24 14:03:37 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2010-09-24 14:03:37 +0200 |
| commit | 73e6d6c6467771838c1fc6949e6768a12ed72464 (patch) | |
| tree | 94dd60891869a0a275cd332c4e675cf0b101fcfa /arch/s390/include/asm/tlbflush.h | |
| parent | 12e5272585901217e919da810c801e5084ee0cb1 (diff) | |
| parent | a850ea30374ebed32a0724742601861853fde869 (diff) | |
Merge branch 'master' into upstream
Diffstat (limited to 'arch/s390/include/asm/tlbflush.h')
| -rw-r--r-- | arch/s390/include/asm/tlbflush.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h index 304cffa623e1..29d5d6d4becc 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); } /* |