diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-05 15:35:16 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-12-05 15:35:16 -0800 |
commit | 35337c834124d2893b7fe4ba683c7639e6c37e0c (patch) | |
tree | 9a519b52ea5b8cdb72413a4c13c3596f75f90d52 /arch/s390/include/asm/pgtable.h | |
parent | 8c9b04346c0ae302d8b7b7df16cc19ddff77742e (diff) | |
parent | 75464960fc0ccc505527edc1459c8ad191fbc0cc (diff) |
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] ap: Setup timer for sending messages after reset.
[S390] cio: fix chsc_chp_vary
[S390] cio: provide fake irb for transport mode IO
[S390] cio: disallow driver io for known to be broken paths
[S390] hibernate: directly trigger subchannel evaluation
[S390] remove reset of system call restart on psw changes
[S390] add missing .set function for NT_S390_LAST_BREAK regset
[S390] fix page change underindication in pgste_update_all
[S390] ptrace inferior call interactions with TIF_SYSCALL
[S390] kdump: Replace is_kdump_kernel() with OLDMEM_BASE check
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
-rw-r--r-- | arch/s390/include/asm/pgtable.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 524d23b8610..4f289ff0b7f 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -599,10 +599,10 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) skey = page_get_storage_key(address); bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED); /* Clear page changed & referenced bit in the storage key */ - if (bits) { - skey ^= bits; - page_set_storage_key(address, skey, 1); - } + if (bits & _PAGE_CHANGED) + page_set_storage_key(address, skey ^ bits, 1); + else if (bits) + page_reset_referenced(address); /* Transfer page changed & referenced bit to guest bits in pgste */ pgste_val(pgste) |= bits << 48; /* RCP_GR_BIT & RCP_GC_BIT */ /* Get host changed & referenced bits from pgste */ |