[PATCH] mm/pgtable/debug: Fix test validating architecture page table helpers

Christophe Leroy
2019-09-13T06:23:49Z

Fix build failure on powerpc.

Fix preemption imbalance.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
mm/arch_pgtable_test.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/mm/arch_pgtable_test.c b/mm/arch_pgtable_test.c
index 8b4a92756ad8..f2b3c9ec35fa 100644
--- a/mm/arch_pgtable_test.c
+++ b/mm/arch_pgtable_test.c
@@ -24,6 +24,7 @@
#include <linux/swap.h>
#include <linux/swapops.h>
#include <linux/sched/mm.h>
+#include <linux/highmem.h>
#include <asm/pgalloc.h>
#include <asm/pgtable.h>

@@ -400,6 +401,8 @@ static int __init arch_pgtable_tests_init(void)
p4d_clear_tests(p4dp);
pgd_clear_tests(mm, pgdp);

+ pte_unmap(ptep);
+
pmd_populate_tests(mm, pmdp, saved_ptep);
pud_populate_tests(mm, pudp, saved_pmdp);
p4d_populate_tests(mm, p4dp, saved_pudp);
--
2.13.3