Commit fbf3a5c3 authored by Oleksandr Tyshchenko's avatar Oleksandr Tyshchenko Committed by Juergen Gross
Browse files

xen/unpopulated-alloc: Drop check for virt_addr_valid() in fill_list() 



If memremap_pages() succeeds the range is guaranteed to have proper page
table, there is no need for an additional virt_addr_valid() check.

Signed-off-by: default avatarOleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Reviewed-by: default avatarBoris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/1639080336-26573-2-git-send-email-olekstysh@gmail.com


Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent 335e4dd6

drivers/xen/unpopulated-alloc.c

+0 −1
Original line number Diff line number Diff line
@@ -85,7 +85,6 @@ static int fill_list(unsigned int nr_pages) 
	for (i = 0; i < alloc_pages; i++) {

		struct page *pg = virt_to_page(vaddr + PAGE_SIZE * i);



		BUG_ON(!virt_addr_valid(vaddr + PAGE_SIZE * i));

		pg->zone_device_data = page_list;

		page_list = pg;

		list_count++;