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| From | "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCHv1, RFC 11/33] thp: allow splitting non-shmem file-backed THPs |
| Date | Tue, 26 Jul 2016 02:40:01 +0200 |
| Message-ID | <rYYzD-3py-25@gated-at.bofh.it> (permalink) |
| References | <rYYzD-3py-7@gated-at.bofh.it> |
| X-Original-To | "Theodore Ts'o" <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>, Jan Kara <jack@suse.com> |
| X-Extloop1 | 1 |
| X-Ironport-Av | E=Sophos;i="5.28,421,1464678000"; d="scan'208";a="1002393716" |
| X-Mailer | git-send-email 2.8.1 |
| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 22 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | Alexander Viro <viro@zeniv.linux.org.uk>, Hugh Dickins <hughd@google.com>, Andrea Arcangeli <aarcange@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Dave Hansen <dave.hansen@intel.com>, Vlastimil Babka <vbabka@suse.cz>, Matthew Wilcox <willy@infradead.org>, Ross Zwisler <ross.zwisler@linux.intel.com>, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org, "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> |
| X-Original-Date | Tue, 26 Jul 2016 03:35:13 +0300 |
| X-Original-Message-ID | <1469493335-3622-12-git-send-email-kirill.shutemov@linux.intel.com> |
| X-Original-References | <1469493335-3622-1-git-send-email-kirill.shutemov@linux.intel.com> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1450272 |
Show key headers only | View raw
split_huge_page() is ready to handle file-backed huge pages, we only
need to remove one guarding VM_BUG_ON_PAGE().
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---
mm/huge_memory.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index c1444a99a583..7f1271c38cb9 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2004,7 +2004,6 @@ int split_huge_page_to_list(struct page *page, struct list_head *list)
VM_BUG_ON_PAGE(is_huge_zero_page(page), page);
VM_BUG_ON_PAGE(!PageLocked(page), page);
- VM_BUG_ON_PAGE(!PageSwapBacked(page), page);
VM_BUG_ON_PAGE(!PageCompound(page), page);
if (PageAnon(head)) {
--
2.8.1
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[PATCHv1, RFC 11/33] thp: allow splitting non-shmem file-backed THPs "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2016-07-26 02:40 +0200
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