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Message-Id: <5d23398953dc718e7bd17a559b5ac2a9cae72bf6.1448114127.git.geliangtang@163.com>
Date: Sat, 21 Nov 2015 22:04:04 +0800
From: Geliang Tang <geliangtang@....com>
To: David Airlie <airlied@...ux.ie>, lkp@...el.com
Cc: Geliang Tang <geliangtang@....com>,
dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
kbuild-all@...org
Subject: [PATCH v2] drm/mm: rewrite drm_mm_for_each_hole
When backwards is 0, __drm_mm_for_each_hole is same as
drm_mm_for_each_hole. So I rewrite drm_mm_for_each_hole
by using __drm_mm_for_each_hole.
Signed-off-by: Geliang Tang <geliangtang@....com>
---
Changes in v2:
- fix make htmldocs warning
---
include/drm/drm_mm.h | 23 +++++++++--------------
1 file changed, 9 insertions(+), 14 deletions(-)
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 0de6290..a58cc6c 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -180,6 +180,14 @@ static inline u64 drm_mm_hole_node_end(struct drm_mm_node *hole_node)
&(mm)->head_node.node_list, \
node_list)
+#define __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, backwards) \
+ for (entry = list_entry((backwards) ? (mm)->hole_stack.prev : (mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
+ &entry->hole_stack != &(mm)->hole_stack ? \
+ hole_start = drm_mm_hole_node_start(entry), \
+ hole_end = drm_mm_hole_node_end(entry), \
+ 1 : 0; \
+ entry = list_entry((backwards) ? entry->hole_stack.prev : entry->hole_stack.next, struct drm_mm_node, hole_stack))
+
/**
* drm_mm_for_each_hole - iterator to walk over all holes
* @entry: drm_mm_node used internally to track progress
@@ -200,20 +208,7 @@ static inline u64 drm_mm_hole_node_end(struct drm_mm_node *hole_node)
* going backwards.
*/
#define drm_mm_for_each_hole(entry, mm, hole_start, hole_end) \
- for (entry = list_entry((mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
- &entry->hole_stack != &(mm)->hole_stack ? \
- hole_start = drm_mm_hole_node_start(entry), \
- hole_end = drm_mm_hole_node_end(entry), \
- 1 : 0; \
- entry = list_entry(entry->hole_stack.next, struct drm_mm_node, hole_stack))
-
-#define __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, backwards) \
- for (entry = list_entry((backwards) ? (mm)->hole_stack.prev : (mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
- &entry->hole_stack != &(mm)->hole_stack ? \
- hole_start = drm_mm_hole_node_start(entry), \
- hole_end = drm_mm_hole_node_end(entry), \
- 1 : 0; \
- entry = list_entry((backwards) ? entry->hole_stack.prev : entry->hole_stack.next, struct drm_mm_node, hole_stack))
+ __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, 0)
/*
* Basic range manager support (drm_mm.c)
--
2.5.0
--
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