[PATCH v2 37/70] drivers/misc/cxl: Use maple tree iterators for cxl_prefault_vma()
Liam R. Howlett
Liam.Howlett at Oracle.com
Tue Jan 12 11:12:07 EST 2021
Signed-off-by: Liam R. Howlett <Liam.Howlett at Oracle.com>
---
drivers/misc/cxl/fault.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c
index 01153b74334a1..47951b84f2cda 100644
--- a/drivers/misc/cxl/fault.c
+++ b/drivers/misc/cxl/fault.c
@@ -313,6 +313,7 @@ static void cxl_prefault_vma(struct cxl_context *ctx)
struct vm_area_struct *vma;
int rc;
struct mm_struct *mm;
+ MA_STATE(mas, &mm->mm_mt, 0, 0);
mm = get_mem_context(ctx);
if (mm == NULL) {
@@ -322,7 +323,7 @@ static void cxl_prefault_vma(struct cxl_context *ctx)
}
mmap_read_lock(mm);
- for (vma = mm->mmap; vma; vma = vma->vm_next) {
+ mas_for_each(&mas, vma, ULONG_MAX) {
for (ea = vma->vm_start; ea < vma->vm_end;
ea = next_segment(ea, slb.vsid)) {
rc = copro_calculate_slb(mm, ea, &slb);
--
2.28.0
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