diff options
Diffstat (limited to 'drivers/base/memory.c')
| -rw-r--r-- | drivers/base/memory.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 1d60b58a8c19..c617e00f4361 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -552,6 +552,9 @@ store_soft_offline_page(struct device *dev, pfn >>= PAGE_SHIFT; if (!pfn_valid(pfn)) return -ENXIO; + /* Only online pages can be soft-offlined (esp., not ZONE_DEVICE). */ + if (!pfn_to_online_page(pfn)) + return -EIO; ret = soft_offline_page(pfn_to_page(pfn), 0); return ret == 0 ? count : ret; } |