On Sat, Oct 10, 2026 at 05:32:59PM +0800, Muchun Song wrote: > > > > On Oct 10, 2026, at 15:57, Muchun Song <[email protected]> wrote: > > > > For vmemmap-optimized sections, tail struct pages may be backed by > > shared vmemmap pages. Those shared pages must carry the same page zone > > ID as the struct pages initialized for the section. > > > > Warn in __init_single_page() if the shared tail page has a different > > page_zone_id(), which would indicate inconsistent initialization. > > Please ignore Sashiko's report [1], both are false positive. It didn't > realize that shared vmemmap pages are initialized early before > __init_single_page().
I didn't realize it too when I read this first :) How about a short comment above vmemmap_optimization_verify_zone()? > [1] > https://sashiko.dev/#/patchset/20261010075755.83339-1-songmuchun%40bytedance.com?part=6 > > Thanks. -- Sincerely yours, Mike.
