[RFC PATCHv3 03/11] percpu: use VMALLOC_TOTAL instead of VMALLOC_END - VMALLOC_START
From: Laura Abbott
Date: Thu Jan 02 2014 - 16:54:55 EST
vmalloc already gives a useful macro to calculate the total vmalloc
size. Use it.
Signed-off-by: Laura Abbott <lauraa@xxxxxxxxxxxxxx>
---
mm/percpu.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/percpu.c b/mm/percpu.c
index 0d10def..afbf352 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1686,10 +1686,10 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
max_distance += ai->unit_size;
/* warn if maximum distance is further than 75% of vmalloc space */
- if (max_distance > (VMALLOC_END - VMALLOC_START) * 3 / 4) {
+ if (max_distance > VMALLOC_TOTAL * 3 / 4) {
pr_warning("PERCPU: max_distance=0x%zx too large for vmalloc "
"space 0x%lx\n", max_distance,
- (unsigned long)(VMALLOC_END - VMALLOC_START));
+ VMALLOC_TOTAL);
#ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK
/* and fail if we have fallback */
rc = -EINVAL;
--
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