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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-24 21:43:08 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-24 21:43:08 +0400
commitf4e385ccfc10f44364101b126d1ac52b4c806f1d (patch)
tree05b8d1c55900e46d034cf11809ef9990ec48cdae /arch/s390/include/asm/pgtable.h
parent32e2f63bcc8903487975506d8db5931a8c4bbb1f (diff)
parent050eef364ad700590a605a0749f825cab4834b1e (diff)
downloadlinux-f4e385ccfc10f44364101b126d1ac52b4c806f1d.tar.xz
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] fix tlb flushing vs. concurrent /proc accesses [S390] s390: fix build error (sys_execve)
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
-rw-r--r--arch/s390/include/asm/pgtable.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 89a504c3f12e..3157441ee1da 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -880,7 +880,8 @@ static inline void ptep_invalidate(struct mm_struct *mm,
#define ptep_get_and_clear(__mm, __address, __ptep) \
({ \
pte_t __pte = *(__ptep); \
- if (atomic_read(&(__mm)->mm_users) > 1 || \
+ (__mm)->context.flush_mm = 1; \
+ if (atomic_read(&(__mm)->context.attach_count) > 1 || \
(__mm) != current->active_mm) \
ptep_invalidate(__mm, __address, __ptep); \
else \
@@ -923,7 +924,8 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm,
({ \
pte_t __pte = *(__ptep); \
if (pte_write(__pte)) { \
- if (atomic_read(&(__mm)->mm_users) > 1 || \
+ (__mm)->context.flush_mm = 1; \
+ if (atomic_read(&(__mm)->context.attach_count) > 1 || \
(__mm) != current->active_mm) \
ptep_invalidate(__mm, __addr, __ptep); \
set_pte_at(__mm, __addr, __ptep, pte_wrprotect(__pte)); \