+ dri-devel On 16.11.2024 03:12, Tomasz Lis wrote: > Benefits of drm_mm_for_each_node_safe and drm_mm_for_each_node_in_range > squished together into one macro. > > Signed-off-by: Tomasz Lis <tomasz.lis@xxxxxxxxx> > --- > include/drm/drm_mm.h | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h > index f654874c4ce6..43e99441f6ba 100644 > --- a/include/drm/drm_mm.h > +++ b/include/drm/drm_mm.h > @@ -504,6 +504,25 @@ __drm_mm_interval_first(const struct drm_mm *mm, u64 start, u64 last); > node__->start < (end__); \ > node__ = list_next_entry(node__, node_list)) > > +/** > + * drm_mm_for_each_node_in_range_safe - iterator to walk over a range of > + * allocated nodes > + * @node__: drm_mm_node structure to assign to in each iteration step > + * @next__: &struct drm_mm_node to store the next step > + * @mm__: drm_mm allocator to walk > + * @start__: starting offset, the first node will overlap this > + * @end__: ending offset, the last node will start before this (but may overlap) > + * > + * This iterator walks over all nodes in the range allocator that lie > + * between @start and @end. It is implemented similarly to list_for_each_safe(), > + * so safe against removal of elements. > + */ > +#define drm_mm_for_each_node_in_range_safe(node__, next__, mm__, start__, end__) \ > + for (node__ = __drm_mm_interval_first((mm__), (start__), (end__)-1), \ > + next__ = list_next_entry(node__, node_list); \ > + node__->start < (end__); \ > + node__ = next__, next__ = list_next_entry(next__, node_list)) > + > void drm_mm_scan_init_with_range(struct drm_mm_scan *scan, > struct drm_mm *mm, > u64 size, u64 alignment, unsigned long color,
