[PATCH] percpu: fix compile warnings

From: Tejun Heo
Date: Sat Oct 03 2009 - 20:37:44 EST


Fix the following two compile warnings which show up on i386.

mm/percpu.c:1873: warning: comparison of distinct pointer types lacks a cast
mm/percpu.c:1879: warning: format '%lx' expects type 'long unsigned int', but argument 2 has type 'size_t'

Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Reported-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
---
This patch has been committed to percpu#for-next. Thanks.

mm/percpu.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/percpu.c b/mm/percpu.c
index e4e08b8..ec158bb 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -1868,13 +1868,14 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, ssize_t dyn_size,
max_distance = 0;
for (group = 0; group < ai->nr_groups; group++) {
ai->groups[group].base_offset = areas[group] - base;
- max_distance = max(max_distance, ai->groups[group].base_offset);
+ max_distance = max_t(size_t, max_distance,
+ ai->groups[group].base_offset);
}
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) {
- pr_warning("PERCPU: max_distance=0x%lx too large for vmalloc "
+ pr_warning("PERCPU: max_distance=0x%zx too large for vmalloc "
"space 0x%lx\n",
max_distance, VMALLOC_END - VMALLOC_START);
#ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK
--
1.6.4.2

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