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Fix buggy aligned allocations.

main
Thomas Hellstrom 2006-12-21 10:32:13 +01:00
parent b7586ab539
commit a467d24829
1 changed files with 6 additions and 7 deletions
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13
linux-core/drm_mm.c
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@ -148,7 +148,7 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
unsigned tmp = 0;
if (alignment)
tmp = size % alignment;
tmp = parent->start % alignment;
if (tmp) {
align_splitoff = drm_mm_split_at_start(parent, alignment - tmp);
@ -162,12 +162,8 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
return parent;
} else {
child = drm_mm_split_at_start(parent, size);
if (!child) {
if (align_splitoff)
drm_mm_put_block(align_splitoff);
return NULL;
}
}
if (align_splitoff)
drm_mm_put_block(align_splitoff);
@ -240,8 +236,11 @@ drm_mm_node_t *drm_mm_search_free(const drm_mm_t * mm,
entry = list_entry(list, drm_mm_node_t, fl_entry);
wasted = 0;
if (entry->size < size)
continue;
if (alignment) {
register unsigned tmp = size % alignment;
register unsigned tmp = entry->start % alignment;
if (tmp)
wasted += alignment - tmp;
}