Commit d939474b authored by Peter Xu's avatar Peter Xu Committed by Heiko Carstens
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s390/mm: define private VM_FAULT_* reasons from top bits 



The current definition already collapse with the generic definition of
vm_fault_reason.  Move the private definitions to allocate bits from the
top of uint so they won't collapse anymore.

Signed-off-by: default avatarPeter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20230205231704.909536-4-peterx@redhat.com


Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent ac56c666

arch/s390/mm/fault.c

+9 −5
Original line number Diff line number Diff line
@@ -46,11 +46,15 @@ 
#define __SUBCODE_MASK 0x0600

#define __PF_RES_FIELD 0x8000000000000000ULL



#define VM_FAULT_BADCONTEXT	((__force vm_fault_t) 0x010000)

#define VM_FAULT_BADMAP		((__force vm_fault_t) 0x020000)

#define VM_FAULT_BADACCESS	((__force vm_fault_t) 0x040000)

#define VM_FAULT_SIGNAL		((__force vm_fault_t) 0x080000)

#define VM_FAULT_PFAULT		((__force vm_fault_t) 0x100000)

/*

 * Allocate private vm_fault_reason from top.  Please make sure it won't

 * collide with vm_fault_reason.

 */

#define VM_FAULT_BADCONTEXT	((__force vm_fault_t)0x80000000)

#define VM_FAULT_BADMAP		((__force vm_fault_t)0x40000000)

#define VM_FAULT_BADACCESS	((__force vm_fault_t)0x20000000)

#define VM_FAULT_SIGNAL		((__force vm_fault_t)0x10000000)

#define VM_FAULT_PFAULT		((__force vm_fault_t)0x8000000)



enum fault_type {

	KERNEL_FAULT,