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mm: free memblock.memory in free_all_bootmem

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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>
This commit is contained in:
Philipp Hachtmann
2014-01-23 15:53:11 -08:00
committed by Linus Torvalds
parent 87379ec8c2
commit 5e270e2548
3 changed files with 26 additions and 1 deletions
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16
mm/memblock.c
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@@ -291,6 +291,22 @@ phys_addr_t __init_memblock get_allocated_memblock_reserved_regions_info(
memblock.reserved.max);
}
#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
phys_addr_t __init_memblock get_allocated_memblock_memory_regions_info(
phys_addr_t *addr)
{
if (memblock.memory.regions == memblock_memory_init_regions)
return 0;
*addr = __pa(memblock.memory.regions);
return PAGE_ALIGN(sizeof(struct memblock_region) *
memblock.memory.max);
}
#endif
/**
* memblock_double_array - double the size of the memblock regions array
* @type: memblock type of the regions array being doubled