On Thu, Jan 14, 2021 at 6:31 AM Mike Kravetz [off-list ref] wrote:

On 1/6/21 6:19 AM, Muchun Song wrote:

quoted

Very similar to VM_WARN_ON_ONCE_PAGE and VM_BUG_ON_PAGE, add
VM_WARN_ON_PAGE macro.

Signed-off-by: Muchun Song <redacted>
---
 include/linux/mmdebug.h | 8 ++++++++
 1 file changed, 8 insertions(+)

I was going to question the use/need for this macro in the following
patch.  Looks like Oscar has already done that, and free_bootmem_page
will now use VM_BUG_ON_PAGE.  So, this patch can be dropped.

In the previous version, Oscar suggested I use WARN_ON instead of
BUG_ON. But he realised we actually should use BUG_ON in this
version. So I will drop this in the next version. Thanks.

--
Mike Kravetz