diff options
Diffstat (limited to 'mm/memblock.c')
| -rw-r--r-- | mm/memblock.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index 9882a88d4a10..196993661346 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -74,7 +74,7 @@ static phys_addr_t __init_memblock memblock_find_region(phys_addr_t start, phys_ /* In case, huge size is requested */ if (end < size) - return MEMBLOCK_ERROR; + return 0; base = round_down(end - size, align); @@ -94,7 +94,7 @@ static phys_addr_t __init_memblock memblock_find_region(phys_addr_t start, phys_ base = round_down(res_base - size, align); } - return MEMBLOCK_ERROR; + return 0; } static phys_addr_t __init_memblock memblock_find_base(phys_addr_t size, @@ -126,10 +126,10 @@ static phys_addr_t __init_memblock memblock_find_base(phys_addr_t size, if (bottom >= top) continue; found = memblock_find_region(bottom, top, size, align); - if (found != MEMBLOCK_ERROR) + if (found) return found; } - return MEMBLOCK_ERROR; + return 0; } /* @@ -214,10 +214,10 @@ static int __init_memblock memblock_double_array(struct memblock_type *type) */ if (use_slab) { new_array = kmalloc(new_size, GFP_KERNEL); - addr = new_array == NULL ? MEMBLOCK_ERROR : __pa(new_array); + addr = new_array ? __pa(new_array) : 0; } else addr = memblock_find_base(new_size, sizeof(phys_addr_t), 0, MEMBLOCK_ALLOC_ACCESSIBLE); - if (addr == MEMBLOCK_ERROR) { + if (!addr) { pr_err("memblock: Failed to double %s array from %ld to %ld entries !\n", memblock_type_name(type), type->max, type->max * 2); return -1; @@ -478,8 +478,7 @@ phys_addr_t __init __memblock_alloc_base(phys_addr_t size, phys_addr_t align, ph size = round_up(size, align); found = memblock_find_base(size, align, 0, max_addr); - if (found != MEMBLOCK_ERROR && - !memblock_add_region(&memblock.reserved, found, size)) + if (found && !memblock_add_region(&memblock.reserved, found, size)) return found; return 0; @@ -559,14 +558,14 @@ static phys_addr_t __init memblock_alloc_nid_region(struct memblock_region *mp, this_end = memblock_nid_range(start, end, &this_nid); if (this_nid == nid) { phys_addr_t ret = memblock_find_region(start, this_end, size, align); - if (ret != MEMBLOCK_ERROR && + if (ret && !memblock_add_region(&memblock.reserved, ret, size)) return ret; } start = this_end; } - return MEMBLOCK_ERROR; + return 0; } phys_addr_t __init memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int nid) @@ -588,7 +587,7 @@ phys_addr_t __init memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int n for (i = 0; i < mem->cnt; i++) { phys_addr_t ret = memblock_alloc_nid_region(&mem->regions[i], size, align, nid); - if (ret != MEMBLOCK_ERROR) + if (ret) return ret; } |