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authorMiaohe Lin <linmiaohe@huawei.com>2022-03-23 00:45:29 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-23 01:57:08 +0300
commit87d2762e22f3ea6885862cb1fd419b77a5bcd8f7 (patch)
tree923cbb66e924b2b68b4f86e0b83abfacf247754d /mm/migrate.c
parent4e936ecc013adde12649d572352d6f37655c39b7 (diff)
downloadlinux-87d2762e22f3ea6885862cb1fd419b77a5bcd8f7.tar.xz
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))