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drm/amdkfd: use vma_lookup() instead of find_vma()

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Using vma_lookup() verifies the start address is contained in the found
vma.  This results in easier to read the code.

Signed-off-by: Deming Wang <wangdeming@inspur.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Deming Wang
2022-10-06 22:26:51 -04:00
committed by Alex Deucher
parent 178919f8ff
commit 3a3e841d05
2 changed files with 12 additions and 13 deletions
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8
drivers/gpu/drm/amd/amdkfd/kfd_migrate.c
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@@ -529,8 +529,8 @@ svm_migrate_ram_to_vram(struct svm_range *prange, uint32_t best_loc,
for (addr = start; addr < end;) {
unsigned long next;
vma = find_vma(mm, addr);
if (!vma || addr < vma->vm_start)
vma = vma_lookup(mm, addr);
if (!vma)
break;
next = min(vma->vm_end, end);
@@ -798,8 +798,8 @@ int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm,
for (addr = start; addr < end;) {
unsigned long next;
vma = find_vma(mm, addr);
if (!vma || addr < vma->vm_start) {
vma = vma_lookup(mm, addr);
if (!vma) {
pr_debug("failed to find vma for prange %p\n", prange);
r = -EFAULT;
break;