diff options
| -rw-r--r-- | mm/memblock.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index afaefa8fc6ab..97fa87541b5f 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1943,11 +1943,11 @@ static void __init free_unused_memmap(void) start = min(start, ALIGN(prev_end, PAGES_PER_SECTION)); #else /* - * Align down here since the VM subsystem insists that the - * memmap entries are valid from the bank start aligned to - * MAX_ORDER_NR_PAGES. + * Align down here since many operations in VM subsystem + * presume that there are no holes in the memory map inside + * a pageblock */ - start = round_down(start, MAX_ORDER_NR_PAGES); + start = round_down(start, pageblock_nr_pages); #endif /* @@ -1958,11 +1958,11 @@ static void __init free_unused_memmap(void) free_memmap(prev_end, start); /* - * Align up here since the VM subsystem insists that the - * memmap entries are valid from the bank end aligned to - * MAX_ORDER_NR_PAGES. + * Align up here since many operations in VM subsystem + * presume that there are no holes in the memory map inside + * a pageblock */ - prev_end = ALIGN(end, MAX_ORDER_NR_PAGES); + prev_end = ALIGN(end, pageblock_nr_pages); } #ifdef CONFIG_SPARSEMEM |