mm/memory.c: do_numa_page(): delete bool "migrated"

Smatch gives the warning:

  do_numa_page() warn: assigning (-11) to unsigned variable 'migrated'

Link: https://lkml.kernel.org/r/1614603421-2681-1-git-send-email-wangqing@vivo.com
Signed-off-by: Wang Qing <wangqing@vivo.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/memory.c b/mm/memory.c
index 3196fa5e7f7d781bb3a96b794feb613108670459..f95d12032b340470583771f47a5035e513f52b66 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4098,7 +4098,6 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
        int page_nid = NUMA_NO_NODE;
        int last_cpupid;
        int target_nid;
-       bool migrated = false;
        pte_t pte, old_pte;
        bool was_writable = pte_savedwrite(vmf->orig_pte);
        int flags = 0;
@@ -4168,8 +4167,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
        }
 
        /* Migrate to the requested node */
-       migrated = migrate_misplaced_page(page, vma, target_nid);
-       if (migrated) {
+       if (migrate_misplaced_page(page, vma, target_nid)) {
                page_nid = target_nid;
                flags |= TNF_MIGRATED;
        } else