Since hmm_range_fault() doesn't use the struct hmm_range vma field,
remove it.
Suggested-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Signed-off-by: Ralph Campbell <rcampbell@xxxxxxxxxx>
Cc: "Jérôme Glisse" <jglisse@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
---
drivers/gpu/drm/nouveau/nouveau_svm.c | 7 +++----
include/linux/hmm.h | 1 -
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_svm.c b/drivers/gpu/drm/nouveau/nouveau_svm.c
index 49b520c60fc5..a74530b5a523 100644
--- a/drivers/gpu/drm/nouveau/nouveau_svm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_svm.c
@@ -496,12 +496,12 @@ nouveau_range_fault(struct hmm_mirror *mirror, struct hmm_range *range)
range->start, range->end,
PAGE_SHIFT);
if (ret) {
- up_read(&range->vma->vm_mm->mmap_sem);
+ up_read(&range->hmm->mm->mmap_sem);
return (int)ret;
}
if (!hmm_range_wait_until_valid(range, HMM_RANGE_DEFAULT_TIMEOUT)) {
- up_read(&range->vma->vm_mm->mmap_sem);
+ up_read(&range->hmm->mm->mmap_sem);
return -EBUSY;
}
@@ -509,7 +509,7 @@ nouveau_range_fault(struct hmm_mirror *mirror, struct hmm_range *range)
if (ret <= 0) {
if (ret == 0)
ret = -EBUSY;
- up_read(&range->vma->vm_mm->mmap_sem);
+ up_read(&range->hmm->mm->mmap_sem);
hmm_range_unregister(range);
return ret;
}
@@ -682,7 +682,6 @@ nouveau_svm_fault(struct nvif_notify *notify)
args.i.p.addr + args.i.p.size, fn - fi);
/* Have HMM fault pages within the fault window to the GPU. */
- range.vma = vma;
range.start = args.i.p.addr;
range.end = args.i.p.addr + args.i.p.size;
range.pfns = args.phys;
diff --git a/include/linux/hmm.h b/include/linux/hmm.h
index f3693dcc8b98..68949cf815f9 100644
--- a/include/linux/hmm.h
+++ b/include/linux/hmm.h
@@ -164,7 +164,6 @@ enum hmm_pfn_value_e {
*/
struct hmm_range {
struct hmm *hmm;
- struct vm_area_struct *vma;
struct list_head list;
unsigned long start;
unsigned long end;
--
2.20.1
