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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-27 19:33:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-27 19:33:13 +0100 |
| commit | c2a552197106b45d0d801d5b8a6be47563a700df (patch) | |
| tree | 61d42c1887b843170874bfec3cacc45211ed916a /drivers/base/memory.c | |
| parent | 9905f32aefbe3d9cb2d24c3bd9c882397eaf3842 (diff) | |
| parent | d6d5df1db6e9d7f8f76d2911707f7d5877251b02 (diff) | |
Merge 5.4-rc5 into tty-next
We want the tty/serial fix in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 6bea4f3f8040..55907c27075b 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -540,6 +540,9 @@ static ssize_t soft_offline_page_store(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; } |