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authorPeter Xu2023-02-05 18:17:04 -0500
committerHeiko Carstens2023-02-14 11:45:39 +0100
commitd939474b3d92624744a334c9e5f58ce3934584b5 (patch)
tree6d2458a51601177bba6522302c0af9e1f19a6160 /arch/s390
parentac56c666f80df0b1dc9c3ef53d0798b74629a116 (diff)
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')
-rw-r--r--arch/s390/mm/fault.c14
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,