redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

x86-32, numa: Make @size in init_aloc_remap() represent bytes

Browse source 
@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>
Link: http://lkml.kernel.org/r/1301955840-7246-7-git-send-email-tj@kernel.org
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Tejun Heo 2011-04-05 00:23:52 +02:00 committed by H. Peter Anvin
parent c4d4f577d4
commit af7c1a6e83
1 changed files with 7 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
arch/x86/mm/numa_32.c
View file

@ -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)