diff options
author | Eric Anholt <eric@anholt.net> | 2008-04-30 16:03:15 -0700 |
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committer | Eric Anholt <eric@anholt.net> | 2008-04-30 16:03:15 -0700 |
commit | 1a8406795052e3ec49e400465f3211d04fd9dd86 (patch) | |
tree | 00493f2e364b02e2a70657ed6a5d1fd79e50e411 /linux-core/drm_memrange.c | |
parent | 81ba8ded7e01b21e600069977e496017c8966d66 (diff) |
Hacking towards hooking up execbuffer.
Diffstat (limited to 'linux-core/drm_memrange.c')
-rw-r--r-- | linux-core/drm_memrange.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/linux-core/drm_memrange.c b/linux-core/drm_memrange.c index 0ae03655..e1d2233b 100644 --- a/linux-core/drm_memrange.c +++ b/linux-core/drm_memrange.c @@ -273,6 +273,31 @@ int drm_memrange_init(struct drm_memrange * mm, unsigned long start, unsigned lo return drm_memrange_create_tail_node(mm, start, size); } +/** + * Walks the list of allocated memory ranges and calls the callback on + * one. + */ +int drm_memrange_for_each(struct drm_memrange *mm, + int (*callback)(struct drm_memrange_node *node, + void *data), + void *data) +{ + struct list_head *list, *next; + + list_for_each_safe(list, next, &mm->ml_entry) { + struct drm_memrange_node *cur; + int ret; + + cur = list_entry(list, struct drm_memrange_node, ml_entry); + + ret = callback(cur, data); + if (ret != 0) + return ret; + } + + return 0; +} + EXPORT_SYMBOL(drm_memrange_init); void drm_memrange_takedown(struct drm_memrange * mm) |