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: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/1639080336-26573-2-git-send-email-olekstysh@gmail.com
Signed-off-by: Juergen Gross <jgross@suse.com>

diff --git a/drivers/xen/unpopulated-alloc.c b/drivers/xen/unpopulated-alloc.c
index 87e6b7db892f54645aea32030687236919f9ea1c..a03dc5b1f37bd6c0c7c0800260dd21484e613ef6 100644 (file)
--- a/drivers/xen/unpopulated-alloc.c
+++ b/drivers/xen/unpopulated-alloc.c
@@ -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++;