On Tue, Feb 20, 2018 at 09:53:30PM +0200, Igor Stoppa wrote: > The patch relies on the function vmalloc_to_page ... which will return > NULL when applied to huge mappings, while the original implementation > will still work. Huh? vmalloc_to_page() should work for huge mappings... > It was found while testing on a configuration with framebuffer. ... ah. You tried to use vmalloc_to_page() on something which wasn't backed by a struct page. That's *supposed* to return NULL, but my guess is that after this patch it returned garbage. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
