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intel: Clean up mmaps on freeing the buffer

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As a precautionary measure munmap on buffer free so that we never leak
the vma. Also include a warning during debugging.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-12-05 10:39:49 +00:00
parent e73161a02b
commit 5c5332bbc3
1 changed files with 14 additions and 0 deletions
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14
intel/intel_bufmgr_gem.c
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@ -953,6 +953,20 @@ drm_intel_gem_bo_unreference_final(drm_intel_bo *bo, time_t time)
bo_gem->relocs = NULL;
}
/* Clear any left-over mappings */
if (bo_gem->map_count) {
DBG("bo freed with non-zero map-count %d\n", bo_gem->map_count);
bo_gem->map_count = 0;
}
if (bo_gem->mem_virtual) {
munmap(bo_gem->mem_virtual, bo_gem->bo.size);
bo_gem->mem_virtual = 0;
}
if (bo_gem->gtt_virtual) {
munmap(bo_gem->gtt_virtual, bo_gem->bo.size);
bo_gem->gtt_virtual = 0;
}
DRMLISTDEL(&bo_gem->name_list);
bucket = drm_intel_gem_bo_bucket_for_size(bufmgr_gem, bo->size);