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authorMiaohe Lin <linmiaohe@huawei.com>2022-03-22 14:45:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 15:57:08 -0700
commit87d2762e22f3ea6885862cb1fd419b77a5bcd8f7 (patch)
tree923cbb66e924b2b68b4f86e0b83abfacf247754d /mm/migrate.c
parent4e936ecc013adde12649d572352d6f37655c39b7 (diff)
downloadlinux-87d2762e22f3ea6885862cb1fd419b77a5bcd8f7.tar.gz
mm: remove unneeded local variable follflags
We can pass FOLL_GET | FOLL_DUMP to follow_page directly to simplify the
code a bit in add_page_for_migration and split_huge_pages_pid.

Link: https://lkml.kernel.org/r/20220311072002.35575-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 54b168a3b84a..4359d49b508a 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1611,7 +1611,6 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr,
 {
 	struct vm_area_struct *vma;
 	struct page *page;
-	unsigned int follflags;
 	int err;
 
 	mmap_read_lock(mm);
@@ -1621,8 +1620,7 @@ static int add_page_for_migration(struct mm_struct *mm, unsigned long addr,
 		goto out;
 
 	/* FOLL_DUMP to ignore special (like zero) pages */
-	follflags = FOLL_GET | FOLL_DUMP;
-	page = follow_page(vma, addr, follflags);
+	page = follow_page(vma, addr, FOLL_GET | FOLL_DUMP);
 
 	err = PTR_ERR(page);
 	if (IS_ERR(page))