Re: [PATCH v2] lib/test_hmm: Check alloc_page_vma() return value

[Andrew Morton]

On Mon, 18 May 2026 11:19:03 +0800 liuqiangneo@xxxxxxx wrote:

> Return VM_FAULT_OOM if page allocation fails, which
> avoids a NULL pointer dereference when calling lock_page().

Patch looks good to me, but AI review is saying that two of
the calling functions are junk, and should be taught to handle
callee errors:
	https://sashiko.dev/#/patchset/20260518031903.63455-1-liuqiangneo@xxxxxxx