diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memblock.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index b8d9147e5c08..c83ff97f57f4 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -101,6 +101,7 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t start, { phys_addr_t this_start, this_end, cand; u64 i; + int curr = movablemem_map.nr_map - 1; /* pump up @end */ if (end == MEMBLOCK_ALLOC_ACCESSIBLE) @@ -114,13 +115,28 @@ phys_addr_t __init_memblock memblock_find_in_range_node(phys_addr_t start, this_start = clamp(this_start, start, end); this_end = clamp(this_end, start, end); - if (this_end < size) +restart: + if (this_end <= this_start || this_end < size) continue; + for (; curr >= 0; curr--) { + if ((movablemem_map.map[curr].start_pfn << PAGE_SHIFT) + < this_end) + break; + } + cand = round_down(this_end - size, align); + if (curr >= 0 && + cand < movablemem_map.map[curr].end_pfn << PAGE_SHIFT) { + this_end = movablemem_map.map[curr].start_pfn + << PAGE_SHIFT; + goto restart; + } + if (cand >= this_start) return cand; } + return 0; } |