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-rw-r--r--arch/s390/boot/vmem.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/s390/boot/vmem.c b/arch/s390/boot/vmem.c
index 145035f84a0e..8476b6f965a9 100644
--- a/arch/s390/boot/vmem.c
+++ b/arch/s390/boot/vmem.c
@@ -264,7 +264,17 @@ static unsigned long _pa(unsigned long addr, unsigned long size, enum populate_m
static bool large_allowed(enum populate_mode mode)
{
- return (mode == POPULATE_DIRECT) || (mode == POPULATE_IDENTITY) || (mode == POPULATE_KERNEL);
+ switch (mode) {
+ case POPULATE_DIRECT:
+ case POPULATE_IDENTITY:
+ case POPULATE_KERNEL:
+#ifdef CONFIG_KASAN
+ case POPULATE_KASAN_MAP_SHADOW:
+#endif
+ return true;
+ default:
+ return false;
+ }
}
static bool can_large_pud(pud_t *pu_dir, unsigned long addr, unsigned long end,