[PATCH 2/3] drm/radeon/ttm: constify static vm_operations_struct

Rikard Falkeborn rikard.falkeborn at gmail.com
Tue Feb 9 23:48:16 UTC 2021


The only usage of radeon_ttm_vm_ops is to assign its address to the
vm_ops field in the vm_area_struct struct. Make it const to allow the
compiler to put it in read-only memory

Signed-off-by: Rikard Falkeborn <rikard.falkeborn at gmail.com>
---
 drivers/gpu/drm/radeon/radeon_ttm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index c45e919e03c5..5fc8bae401af 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -835,7 +835,7 @@ static vm_fault_t radeon_ttm_fault(struct vm_fault *vmf)
 	return ret;
 }
 
-static struct vm_operations_struct radeon_ttm_vm_ops = {
+static const struct vm_operations_struct radeon_ttm_vm_ops = {
 	.fault = radeon_ttm_fault,
 	.open = ttm_bo_vm_open,
 	.close = ttm_bo_vm_close,
-- 
2.30.0



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