Messages in this thread Patch in this message |  | | | From | Tejun Heo <> | | Subject | [PATCH 06/14] x86-32, NUMA: Make @size in init_aloc_remap() represent bytes | | Date | Tue, 5 Apr 2011 00:23:52 +0200 |
| |
@size variable in init_alloc_remap() is confusing in that it starts as number of bytes as its name implies and then becomes number of pages. Make it consistently represent bytes.
Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Thomas Gleixner <tglx@linutronix.de Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> --- arch/x86/mm/numa_32.c | 18 +++++++----------- 1 files changed, 7 insertions(+), 11 deletions(-) diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c index 30933fe..99310d2 100644 --- a/arch/x86/mm/numa_32.c +++ b/arch/x86/mm/numa_32.c @@ -286,22 +286,19 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset) size = node_remap_size[nid]; size += ALIGN(sizeof(pg_data_t), PAGE_SIZE); - /* convert size to large (pmd size) pages, rounding up */ - size = (size + LARGE_PAGE_BYTES - 1) / LARGE_PAGE_BYTES; - /* now the roundup is correct, convert to PAGE_SIZE pages */ - size = size * PTRS_PER_PTE; + /* align to large page */ + size = ALIGN(size, LARGE_PAGE_BYTES); node_pa = memblock_find_in_range(node_start_pfn[nid] << PAGE_SHIFT, (u64)node_end_pfn[nid] << PAGE_SHIFT, - (u64)size << PAGE_SHIFT, - LARGE_PAGE_BYTES); + size, LARGE_PAGE_BYTES); if (node_pa == MEMBLOCK_ERROR) panic("Can not get kva ram\n"); - node_remap_size[nid] = size; + node_remap_size[nid] = size >> PAGE_SHIFT; node_remap_offset[nid] = offset; printk(KERN_DEBUG "Reserving %ld pages of KVA for lmem_map of node %d at %llx\n", - size, nid, node_pa >> PAGE_SHIFT); + size >> PAGE_SHIFT, nid, node_pa >> PAGE_SHIFT); /* * prevent kva address below max_low_pfn want it on system @@ -315,12 +312,11 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset) * So memblock_x86_reserve_range here, hope we don't run out * of that array */ - memblock_x86_reserve_range(node_pa, node_pa + ((u64)size << PAGE_SHIFT), - "KVA RAM"); + memblock_x86_reserve_range(node_pa, node_pa + size, "KVA RAM"); node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT; - return size; + return size >> PAGE_SHIFT; } static void init_remap_allocator(int nid) -- 1.7.1
|  |