[xen staging] xen/mm: pg_offlined can be defined as bool in free_heap_pages()

[patchbot@xxxxxxx]

commit 9ba4c529985a1773852069889a5b53f2ed26c408
Author:     Julien Grall <jgrall@xxxxxxxxxx>
AuthorDate: Wed Feb 23 19:08:33 2022 +0000
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Thu Feb 24 17:32:43 2022 +0000

    xen/mm: pg_offlined can be defined as bool in free_heap_pages()
    
    The local variable pg_offlined in free_heap_pages() can only take two
    values. So switch it to a bool.
    
    Fixes: 289610483fc43 ("mm: fix broken tainted value in mark_page_free")
    Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/common/page_alloc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/xen/common/page_alloc.c b/xen/common/page_alloc.c
index e971bf91e0..319029140f 100644
--- a/xen/common/page_alloc.c
+++ b/xen/common/page_alloc.c
@@ -1437,8 +1437,9 @@ static void free_heap_pages(
 {
     unsigned long mask;
     mfn_t mfn = page_to_mfn(pg);
-    unsigned int i, node = phys_to_nid(mfn_to_maddr(mfn)), pg_offlined = 0;
+    unsigned int i, node = phys_to_nid(mfn_to_maddr(mfn));
     unsigned int zone = page_to_zone(pg);
+    bool pg_offlined = false;
 
     ASSERT(order <= MAX_ORDER);
 
@@ -1447,7 +1448,7 @@ static void free_heap_pages(
     for ( i = 0; i < (1 << order); i++ )
     {
         if ( mark_page_free(&pg[i], mfn_add(mfn, i)) )
-            pg_offlined = 1;
+            pg_offlined = true;
 
         if ( need_scrub )
         {
--
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