On Mon, Nov 02, 2020 at 10:23:20AM +0100, David Hildenbrand wrote:
>
> > int __init kernel_map_pages_in_pgd(pgd_t *pgd, u64 pfn, unsigned long
> > address,
> >unsigned numpages, unsigned long page_flags)
> > diff --git a/include/linux/mm.h b/include/linux/mm.h
>
int __init kernel_map_pages_in_pgd(pgd_t *pgd, u64 pfn, unsigned long address,
unsigned numpages, unsigned long page_flags)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 14e397f3752c..ab0ef6bd351d 100644
--- a/include/linux/mm.h
+++ b/include/li
From: Mike Rapoport
The design of DEBUG_PAGEALLOC presumes that __kernel_map_pages() must never
fail. With this assumption is wouldn't be safe to allow general usage of
this function.
Moreover, some architectures that implement __kernel_map_pages() have this
function guarded by #ifdef DEBUG_PAGE
