arch/powerpc/include/asm/mman.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  */
   4 #ifndef _ASM_POWERPC_MMAN_H
   5 #define _ASM_POWERPC_MMAN_H
   6
   7 #include <uapi/asm/mman.h>
   8
   9 #ifdef CONFIG_PPC64
  10
  11 #include <asm/cputable.h>
  12 #include <linux/mm.h>
  13 #include <linux/pkeys.h>
  14 #include <asm/cpu_has_feature.h>
  15
  16 #ifdef CONFIG_PPC_MEM_KEYS
  17 static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot,
  18                 unsigned long pkey)
  19 {
  20         return pkey_to_vmflag_bits(pkey);
  21 }
  22 #define arch_calc_vm_prot_bits(prot, pkey) arch_calc_vm_prot_bits(prot, pkey)
  23
  24 static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags)
  25 {
  26         return __pgprot(vmflag_to_pte_pkey_bits(vm_flags));
  27 }
  28 #define arch_vm_get_page_prot(vm_flags) arch_vm_get_page_prot(vm_flags)
  29 #endif
  30
  31 #endif /* CONFIG_PPC64 */
  32 #endif  /* _ASM_POWERPC_MMAN_H */