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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-16 09:09:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-16 09:09:24 +0200
commit500f0716b5f7fd6b0ff3d045588c7588ce2eee1d (patch)
tree05cfa2e77069af443f06bcfbf327f9aa2050eec7 /arch/s390/mm/pgalloc.c
parent4eb44f69e77141992e305d9e75e021b196071cdd (diff)
parent9d3cce1e8b8561fed5f383d22a4d6949db4eadbe (diff)
Merge 4.18-rc5 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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;