lkml.org 
[lkml]   [2016]   [May]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 3/5] arm64/numa: add nid check for memory block
Date
Use the same tactic to cpu and numa-distance nodes.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
arch/arm64/mm/numa.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index c7fe3ec..2601660 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -141,6 +141,11 @@ int __init numa_add_memblk(int nid, u64 start, u64 end)
{
int ret;

+ if (nid >= MAX_NUMNODES) {
+ pr_warn("NUMA: Node id %u exceeds maximum value\n", nid);
+ return -EINVAL;
+ }
+
ret = memblock_set_node(start, (end - start), &memblock.memory, nid);
if (ret < 0) {
pr_err("NUMA: memblock [0x%llx - 0x%llx] failed to add on node %d\n",
--
2.5.0

\
 
 \ /
  Last update: 2016-05-28 11:41    [W:0.112 / U:0.228 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site