Date: Sat, 23 Mar 2013 20:43:26 +0000 (UTC) From: Jean-Sebastien Pedron <dumbbell@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r248661 - head/sys/dev/drm2/ttm Message-ID: <201303232043.r2NKhQ9J077227@svn.freebsd.org>
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Author: dumbbell Date: Sat Mar 23 20:43:26 2013 New Revision: 248661 URL: http://svnweb.freebsd.org/changeset/base/248661 Log: drm/ttm: Explain why we don't need to acquire a ref in ttm_bo_vm_ctor() Modified: head/sys/dev/drm2/ttm/ttm_bo_vm.c Modified: head/sys/dev/drm2/ttm/ttm_bo_vm.c ============================================================================== --- head/sys/dev/drm2/ttm/ttm_bo_vm.c Sat Mar 23 20:17:32 2013 (r248660) +++ head/sys/dev/drm2/ttm/ttm_bo_vm.c Sat Mar 23 20:43:26 2013 (r248661) @@ -252,6 +252,11 @@ ttm_bo_vm_ctor(void *handle, vm_ooffset_ 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; return (0); }
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