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authorOleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>2021-12-09 23:05:31 +0300
committerJuergen Gross <jgross@suse.com>2022-01-06 11:53:15 +0300
commitfbf3a5c301685f7e9224bf5de9c426cf8f11ae15 (patch)
tree05b5a86b2ed198696552c9add8d24743838b0288 /drivers/xen
parent335e4dd67b480c8fa571ea7e71af0d22047fcfb7 (diff)
downloadlinux-fbf3a5c301685f7e9224bf5de9c426cf8f11ae15.tar.xz
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>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/unpopulated-alloc.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/xen/unpopulated-alloc.c b/drivers/xen/unpopulated-alloc.c
index 87e6b7db892f..a03dc5b1f37b 100644
--- 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++;