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memblock: Kill MEMBLOCK_ERROR

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25818f0f28 (memblock: Make MEMBLOCK_ERROR be 0) thankfully made
MEMBLOCK_ERROR 0 and there already are codes which expect error return
to be 0.  There's no point in keeping MEMBLOCK_ERROR around.  End its
misery.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1310457490-3356-6-git-send-email-tj@kernel.org
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Tejun Heo
2011-07-12 09:58:09 +02:00
committed by H. Peter Anvin
parent 348968eb15
commit 1f5026a7e2
15 changed files with 31 additions and 34 deletions
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4
arch/x86/mm/numa_32.c
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@@ -199,7 +199,7 @@ void __init init_alloc_remap(int nid, u64 start, u64 end)
/* allocate node memory and the lowmem remap area */
node_pa = memblock_find_in_range(start, end, size, LARGE_PAGE_BYTES);
if (node_pa == MEMBLOCK_ERROR) {
if (!node_pa) {
pr_warning("remap_alloc: failed to allocate %lu bytes for node %d\n",
size, nid);
return;
@@ -209,7 +209,7 @@ void __init init_alloc_remap(int nid, u64 start, u64 end)
remap_pa = memblock_find_in_range(min_low_pfn << PAGE_SHIFT,
max_low_pfn << PAGE_SHIFT,
size, LARGE_PAGE_BYTES);
if (remap_pa == MEMBLOCK_ERROR) {
if (!remap_pa) {
pr_warning("remap_alloc: failed to allocate %lu bytes remap area for node %d\n",
size, nid);
memblock_x86_free_range(node_pa, node_pa + size);