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From: Miaohe Lin <linmiaohe@huawei.com>
To: <akpm@linux-foundation.org>, <hughd@google.com>
Cc: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
	<linmiaohe@huawei.com>
Subject: [PATCH] mm/shmem.c: use helper transhuge_vma_enabled()
Date: Sat, 11 Jun 2022 10:23:14 +0800	[thread overview]
Message-ID: <20220611022314.21593-1-linmiaohe@huawei.com> (raw)

Use helper transhuge_vma_enabled() to check whether transhuge is enable
on vma. Minor readability improvement.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 mm/shmem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/shmem.c b/mm/shmem.c
index 133c67057d41..59cc2e980c95 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -480,8 +480,7 @@ bool shmem_is_huge(struct vm_area_struct *vma,
 		return false;
 	if (shmem_huge == SHMEM_HUGE_DENY)
 		return false;
-	if (vma && ((vma->vm_flags & VM_NOHUGEPAGE) ||
-	    test_bit(MMF_DISABLE_THP, &vma->vm_mm->flags)))
+	if (vma && !transhuge_vma_enabled(vma, vma->vm_flags))
 		return false;
 	if (shmem_huge == SHMEM_HUGE_FORCE)
 		return true;
-- 
2.23.0


             reply	other threads:[~2022-06-11  2:23 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-11  2:23 Miaohe Lin [this message]
2022-06-11  3:14 ` [PATCH] mm/shmem.c: use helper transhuge_vma_enabled() Hugh Dickins
2022-06-11  6:32   ` Miaohe Lin
2022-06-15  5:02   ` Anshuman Khandual
2022-06-16  0:40     ` Yang Shi

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