From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: Anshuman Khandual <anshuman.khandual@arm.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: [PATCH 5/5] mm/vma: Replace all remaining open encodings with vma_is_anonymous()
Date: Mon, 17 Feb 2020 10:33:53 +0530 [thread overview]
Message-ID: <1581915833-21984-6-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1581915833-21984-1-git-send-email-anshuman.khandual@arm.com>
This replaces all remaining open encodings with vma_is_anonymous().
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
mm/gup.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/gup.c b/mm/gup.c
index c8ffe2e61f03..58c8cbfeded6 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -146,7 +146,8 @@ static struct page *no_page_table(struct vm_area_struct *vma,
* But we can only make this optimization where a hole would surely
* be zero-filled if handle_mm_fault() actually did handle it.
*/
- if ((flags & FOLL_DUMP) && (!vma->vm_ops || !vma->vm_ops->fault))
+ if ((flags & FOLL_DUMP) &&
+ (vma_is_anonymous(vma) || !vma->vm_ops->fault))
return ERR_PTR(-EFAULT);
return NULL;
}
--
2.20.1
prev parent reply other threads:[~2020-02-17 5:04 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-17 5:03 [PATCH 0/5] mm/vma: Use available wrappers when possible Anshuman Khandual
2020-02-17 5:03 ` [PATCH 1/5] mm/vma: Add missing VMA flag readable name for VM_SYNC Anshuman Khandual
2020-02-17 5:03 ` [PATCH 2/5] mm/vma: Make vma_is_accessible() available for general use Anshuman Khandual
2020-02-17 7:36 ` Geert Uytterhoeven
2020-02-17 9:28 ` Anshuman Khandual
2020-02-18 2:21 ` Guo Ren
2020-02-17 5:03 ` [PATCH 3/5] mm/vma: Replace all remaining open encodings with is_vm_hugetlb_page() Anshuman Khandual
2020-02-17 9:21 ` Anshuman Khandual
2020-02-19 1:14 ` kbuild test robot
2020-02-24 2:21 ` Anshuman Khandual
2020-02-17 5:03 ` [PATCH 4/5] mm/vma: Replace all remaining open encodings with vma_set_anonymous() Anshuman Khandual
2020-02-17 10:27 ` Kirill A. Shutemov
2020-02-17 11:56 ` Anshuman Khandual
2020-03-18 10:24 ` Greg Kroah-Hartman
2020-03-18 10:41 ` Anshuman Khandual
2020-02-17 5:03 ` Anshuman Khandual [this message]
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