[PATCH v2 1/3] xen: page_alloc: Don't open-code IS_ALIGNED()

[Julien Grall <julien@xxxxxxx>]

From: Julien Grall <jgrall@xxxxxxxxxx>

init_heap_pages() is using an open-code version of IS_ALIGNED(). Replace
it to improve the readability of the code.

No functional change intended.

Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>

---

Changes in v2:
    - Patch added
---
 xen/common/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index fe0e15429af3..078c2990041d 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -1823,7 +1823,7 @@ static void init_heap_pages(
             unsigned long s = mfn_x(page_to_mfn(pg + i));
             unsigned long e = mfn_x(mfn_add(page_to_mfn(pg + nr_pages - 1), 
1));
             bool use_tail = (nid == phys_to_nid(pfn_to_paddr(e - 1))) &&
-                            !(s & ((1UL << MAX_ORDER) - 1)) &&
+                            IS_ALIGNED(s, 1UL << MAX_ORDER) &&
                             (find_first_set_bit(e) <= find_first_set_bit(s));
             unsigned long n;
 
-- 
2.32.0