Messages in this thread |  | | Subject | Re: [PATCH 06/17] prmem: test cases for memory protection | From | Dave Hansen <> | Date | Thu, 25 Oct 2018 09:43:52 -0700 |
| |
> +static bool is_address_protected(void *p) > +{ > + struct page *page; > + struct vmap_area *area; > + > + if (unlikely(!is_vmalloc_addr(p))) > + return false; > + page = vmalloc_to_page(p); > + if (unlikely(!page)) > + return false; > + wmb(); /* Flush changes to the page table - is it needed? */
No.
The rest of this is just pretty verbose and seems to have been very heavily copied and pasted. I guess that's OK for test code, though.
|  |