From: Wang Qing <wangqing@vivo.com>
To: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: Wang Qing <wangqing@vivo.com>
Subject: [PATCH] mm: delete bool "migrated"
Date: Mon, 1 Mar 2021 20:57:01 +0800 [thread overview]
Message-ID: <1614603421-2681-1-git-send-email-wangqing@vivo.com> (raw)
Smatch gives the warning:
do_numa_page() warn: assigning (-11) to unsigned variable 'migrated'
Signed-off-by: Wang Qing <wangqing@vivo.com>
---
mm/memory.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/mm/memory.c b/mm/memory.c
index 784249f..d8125df
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4102,7 +4102,6 @@ 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;
@@ -4172,8 +4171,7 @@ 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
--
2.7.4
next reply other threads:[~2021-03-01 12:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-01 12:57 Wang Qing [this message]
2021-03-02 23:55 ` [PATCH] mm: delete bool "migrated" Andrew Morton
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