>>> On 19.10.15 at 16:51, <jbeul...@suse.com> wrote:
"REST" maintainers, could I please get an ack or otherwise on this
common code change?
Thanks, Jan
> --- a/xen/common/page_alloc.c
> +++ b/xen/common/page_alloc.c
> @@ -1959,22 +1959,16 @@ __initcall(pagealloc_keyhandler_init);
>
> void scrub_one_page(struct page_info *pg)
> {
> - void *p;
> -
> if ( unlikely(pg->count_info & PGC_broken) )
> return;
>
> - p = __map_domain_page(pg);
> -
> #ifndef NDEBUG
> /* Avoid callers relying on allocations returning zeroed pages. */
> - memset(p, 0xc2, PAGE_SIZE);
> + unmap_domain_page(memset(__map_domain_page(pg), 0xc2, PAGE_SIZE));
> #else
> /* For a production build, clear_page() is the fastest way to scrub. */
> - clear_page(p);
> + clear_domain_page(_mfn(page_to_mfn(pg)));
> #endif
> -
> - unmap_domain_page(p);
> }
>
> static void dump_heap(unsigned char key)
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