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powerpc/mm/hash: Rename KERNEL_REGION_ID to LINEAR_MAP_REGION_ID

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The region actually point to linear map. Rename the #define to
clarify thati.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Aneesh Kumar K.V
2019-04-17 18:29:19 +05:30
committed by Michael Ellerman
parent a092a03fa9
commit 5f53d28608
5 changed files with 8 additions and 8 deletions
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4
arch/powerpc/mm/copro_fault.c
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@@ -129,8 +129,8 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb)
vsid = get_kernel_vsid(ea, mmu_kernel_ssize);
vsidkey = SLB_VSID_KERNEL;
break;
case KERNEL_REGION_ID:
pr_devel("%s: 0x%llx -- KERNEL_REGION_ID\n", __func__, ea);
case LINEAR_MAP_REGION_ID:
pr_devel("%s: 0x%llx -- LINEAR_MAP_REGION_ID\n", __func__, ea);
psize = mmu_linear_psize;
ssize = mmu_kernel_ssize;
vsid = get_kernel_vsid(ea, mmu_kernel_ssize);

4
arch/powerpc/mm/slb.c
View File

@@ -691,7 +691,7 @@ static long slb_allocate_kernel(unsigned long ea, unsigned long id)
unsigned long flags;
int ssize;
if (id == KERNEL_REGION_ID) {
if (id == LINEAR_MAP_REGION_ID) {
/* We only support upto MAX_PHYSMEM_BITS */
if ((ea & EA_MASK) > (1UL << MAX_PHYSMEM_BITS))
@@ -790,7 +790,7 @@ long do_slb_fault(struct pt_regs *regs, unsigned long ea)
* first class kernel code. But for performance it's probably nicer
* if they go via fast_exception_return too.
*/
if (id >= KERNEL_REGION_ID) {
if (id >= LINEAR_MAP_REGION_ID) {
long err;
#ifdef CONFIG_DEBUG_VM
/* Catch recursive kernel SLB faults. */