diff options
Diffstat (limited to 'drivers/base/memory.c')
| -rw-r--r-- | drivers/base/memory.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 2840ed4668c1..2a0b5f1020ed 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -380,9 +380,13 @@ memory_probe_store(struct class *class, struct class_attribute *attr, u64 phys_addr; int nid; int i, ret; + unsigned long pages_per_block = PAGES_PER_SECTION * sections_per_block; phys_addr = simple_strtoull(buf, NULL, 0); + if (phys_addr & ((pages_per_block << PAGE_SHIFT) - 1)) + return -EINVAL; + for (i = 0; i < sections_per_block; i++) { nid = memory_add_physaddr_to_nid(phys_addr); ret = add_memory(nid, phys_addr, |