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| author | Peter Xu <peterx@redhat.com> | 2023-02-06 00:17:04 +0100 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2023-02-14 11:45:39 +0100 |
| commit | d939474b3d92624744a334c9e5f58ce3934584b5 (patch) | |
| tree | 6d2458a51601177bba6522302c0af9e1f19a6160 /arch/s390/mm | |
| parent | Documentation: s390: correct spelling (diff) | |
| download | linux-d939474b3d92624744a334c9e5f58ce3934584b5.tar.xz linux-d939474b3d92624744a334c9e5f58ce3934584b5.zip | |
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: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20230205231704.909536-4-peterx@redhat.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/mm')
| -rw-r--r-- | arch/s390/mm/fault.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 9649d9382e0a..65930c1928f8 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -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, |