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authorDavid S. Miller <davem@davemloft.net>2011-12-06 21:10:05 -0500
committerDavid S. Miller <davem@davemloft.net>2011-12-06 21:10:05 -0500
commit959327c7842e8621e28b89acea7d57ff02b60972 (patch)
treeb00de195fa401186228796abdcd16812862fbf4d /arch/s390/include/asm/pgtable.h
parentf84ea779c25dabc90956f1c329e5e5c501ea96cc (diff)
parentb835c0f47f725d864bf2545f10c733b754bb6d51 (diff)
downloadblackbird-op-linux-959327c7842e8621e28b89acea7d57ff02b60972.tar.gz
blackbird-op-linux-959327c7842e8621e28b89acea7d57ff02b60972.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
-rw-r--r--arch/s390/include/asm/pgtable.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 524d23b8610c..4f289ff0b7fe 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 */
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