[xen staging] xen/domain: Annotate struct domain as page aligned

[patchbot@xxxxxxx]

commit 8c12e47a5d3b8ef7484b4a6d04b73bd6c61a82cf
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Tue Feb 18 23:01:11 2025 +0000
Commit:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CommitDate: Fri Mar 7 14:34:08 2025 +0000

    xen/domain: Annotate struct domain as page aligned
    
    struct domain is always a page aligned allocation.  Update it's type to
    reflect this, so we can safely reuse the lower bits in the pointer for
    auxiliary information.
    
    No functional change.
    
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/include/xen/sched.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h
index 75add0f216..559d201e0c 100644
--- a/xen/include/xen/sched.h
+++ b/xen/include/xen/sched.h
@@ -651,7 +651,7 @@ struct domain
     unsigned int num_llc_colors;
     const unsigned int *llc_colors;
 #endif
-};
+} __aligned(PAGE_SIZE);
 
 static inline struct page_list_head *page_to_list(
     struct domain *d, const struct page_info *pg)
--
generated by git-patchbot for /home/xen/git/xen.git#staging