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authorDave Airlie <airlied@redhat.com>2018-07-30 10:39:22 +1000
committerDave Airlie <airlied@redhat.com>2018-07-30 10:39:22 +1000
commit3fce4618279373efc59a91adb16c11da46cd69e5 (patch)
tree086fad6c9f260a0bcc9b6a3532c6cddc387dd907 /arch/s390/mm/pgalloc.c
parentecd7963f7cf967009882fd56eaee1e87a229bea2 (diff)
parentacb1872577b346bd15ab3a3f8dff780d6cca4b70 (diff)
BackMerge v4.18-rc7 into drm-next
rmk requested this for armada and I think we've had a few conflicts build up. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/s390/mm/pgalloc.c')
-rw-r--r--arch/s390/mm/pgalloc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index 84bd6329a88d..e3bd5627afef 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -252,6 +252,8 @@ void page_table_free(struct mm_struct *mm, unsigned long *table)
spin_unlock_bh(&mm->context.lock);
if (mask != 0)
return;
+ } else {
+ atomic_xor_bits(&page->_refcount, 3U << 24);
}
pgtable_page_dtor(page);
@@ -304,6 +306,8 @@ static void __tlb_remove_table(void *_table)
break;
/* fallthrough */
case 3: /* 4K page table with pgstes */
+ if (mask & 3)
+ atomic_xor_bits(&page->_refcount, 3 << 24);
pgtable_page_dtor(page);
__free_page(page);
break;