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-rw-r--r--arch/arm64/include/asm/mman.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/mman.h b/arch/arm64/include/asm/mman.h
index 5966ee4a6154..52791715f6e6 100644
--- a/arch/arm64/include/asm/mman.h
+++ b/arch/arm64/include/asm/mman.h
@@ -7,7 +7,7 @@
#include <uapi/asm/mman.h>
static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
- unsigned long pkey __always_unused)
+ unsigned long pkey)
{
unsigned long ret = 0;
@@ -17,6 +17,14 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
if (system_supports_mte() && (prot & PROT_MTE))
ret |= VM_MTE;
+#ifdef CONFIG_ARCH_HAS_PKEYS
+ if (system_supports_poe()) {
+ ret |= pkey & BIT(0) ? VM_PKEY_BIT0 : 0;
+ ret |= pkey & BIT(1) ? VM_PKEY_BIT1 : 0;
+ ret |= pkey & BIT(2) ? VM_PKEY_BIT2 : 0;
+ }
+#endif
+
return ret;
}
#define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)