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authorPhilipp Hachtmann <phacht@linux.vnet.ibm.com>2014-01-23 15:53:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-01-23 16:36:51 -0800
commit5e270e254885893f8c82ab9b91caa648af3690df (patch)
tree58b97739585bc97ba085a2b44fc256867c8a3f35 /mm/nobootmem.c
parent87379ec8c2b8ae0acd526b87d2240afca92a7505 (diff)
mm: free memblock.memory in free_all_bootmem
When calling free_all_bootmem() the free areas under memblock's control are released to the buddy allocator. Additionally the reserved list is freed if it was reallocated by memblock. The same should apply for the memory list. Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com> Reviewed-by: Tejun Heo <tj@kernel.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Tang Chen <tangchen@cn.fujitsu.com> Cc: Toshi Kani <toshi.kani@hp.com> Cc: Jianguo Wu <wujianguo@huawei.com> Cc: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/nobootmem.c')
-rw-r--r--mm/nobootmem.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index bb1a70cc97a..17c89023184 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -122,11 +122,19 @@ static unsigned long __init free_low_memory_core_early(void)
for_each_free_mem_range(i, NUMA_NO_NODE, &start, &end, NULL)
count += __free_memory_core(start, end);
- /* free range that is used for reserved array if we allocate it */
+ /* Free memblock.reserved array if it was allocated */
size = get_allocated_memblock_reserved_regions_info(&start);
if (size)
count += __free_memory_core(start, start + size);
+#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
+
+ /* Free memblock.memory array if it was allocated */
+ size = get_allocated_memblock_memory_regions_info(&start);
+ if (size)
+ count += __free_memory_core(start, start + size);
+#endif
+
return count;
}