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authorThomas Gleixner <tglx@linutronix.de>2018-08-05 16:39:29 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-08-05 16:39:29 +0200
commitf2701b77bbd992f3df4631de8493f21db0830452 (patch)
treeb05b2bf8b47002ae81c79aaa9de2a311b8ee075e /arch/s390/mm/pgalloc.c
parentx86/KVM/VMX: Don't set l1tf_flush_l1d from vmx_handle_external_intr() (diff)
parentLinux 4.18-rc7 (diff)
downloadlinux-f2701b77bbd992f3df4631de8493f21db0830452.tar.xz
linux-f2701b77bbd992f3df4631de8493f21db0830452.zip
Merge 4.18-rc7 into master to pick up the KVM dependcy
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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;