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author | Ingo Molnar <mingo@elte.hu> | 2012-03-14 07:44:11 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2012-03-14 07:44:11 +0100 |
commit | cd593accdcc27ccbe6498d9ad1c2b6cc8e1d830d (patch) | |
tree | 9424d3ac86e753706cc6c3d7e6072d2a73711e29 /mm/memblock.c | |
parent | 11b91d6fe7272452c999573bab33c15c2f03dc31 (diff) | |
parent | fde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff) | |
download | op-kernel-dev-cd593accdcc27ccbe6498d9ad1c2b6cc8e1d830d.zip op-kernel-dev-cd593accdcc27ccbe6498d9ad1c2b6cc8e1d830d.tar.gz |
Merge tag 'v3.3-rc7' into x86/mce
Merge reason: Update from an ancient -rc1 base to an almost-final stable kernel.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/memblock.c')
-rw-r--r-- | mm/memblock.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index 2f55f19..99f2855 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -99,21 +99,21 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t start, phys_addr_t this_start, this_end, cand; u64 i; - /* align @size to avoid excessive fragmentation on reserved array */ - size = round_up(size, align); - /* pump up @end */ if (end == MEMBLOCK_ALLOC_ACCESSIBLE) end = memblock.current_limit; - /* adjust @start to avoid underflow and allocating the first page */ - start = max3(start, size, (phys_addr_t)PAGE_SIZE); + /* avoid allocating the first page */ + start = max_t(phys_addr_t, start, PAGE_SIZE); end = max(start, end); for_each_free_mem_range_reverse(i, nid, &this_start, &this_end, NULL) { this_start = clamp(this_start, start, end); this_end = clamp(this_end, start, end); + if (this_end < size) + continue; + cand = round_down(this_end - size, align); if (cand >= this_start) return cand; @@ -728,6 +728,9 @@ static phys_addr_t __init memblock_alloc_base_nid(phys_addr_t size, { phys_addr_t found; + /* align @size to avoid excessive fragmentation on reserved array */ + size = round_up(size, align); + found = memblock_find_in_range_node(0, max_addr, size, align, nid); if (found && !memblock_reserve(found, size)) return found; |