d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

drm/ttm: Explain why we don't need to acquire a ref in ttm_bo_vm_ctor()

Browse Source
This commit is contained in:
Jean-Sébastien Pédron 2013-03-23 20:43:26 +00:00
parent 7608b757d7
commit 76c40c6986
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sys/dev/drm2/ttm/ttm_bo_vm.c
View File

@ -252,6 +252,11 @@ ttm_bo_vm_ctor(void *handle, vm_ooffset_t size, vm_prot_t prot,
vm_ooffset_t foff, struct ucred *cred, u_short *color) vm_ooffset_t foff, struct ucred *cred, u_short *color)
{ {
/*
* We don't acquire a reference on bo->kref here, because it was
* already done in ttm_bo_mmap_single().
*/
*color = 0; *color = 0;
return (0); return (0);
} }