[8/9] mm: remove the unused MIGRATE_PFN_ERROR flag

Message ID	20190808153346.9061-9-hch@lst.de (mailing list archive)
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Headers	show Return-Path: <owner-linux-mm@kvack.org> Received-SPF: pass (google.com: best guess record for domain of batv+66be473deb0ef04076c4+5828+infradead.org+hch@bombadil.srs.infradead.org designates 2607:7c80:54:e::133 as permitted sender) client-ip=2607:7c80:54:e::133; From: Christoph Hellwig <hch@lst.de> To: =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>, Jason Gunthorpe <jgg@mellanox.com>, Ben Skeggs <bskeggs@redhat.com> Cc: Ralph Campbell <rcampbell@nvidia.com>, Bharata B Rao <bharata@linux.ibm.com>, Andrew Morton <akpm@linux-foundation.org>, linux-mm@kvack.org, nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH 8/9] mm: remove the unused MIGRATE_PFN_ERROR flag Date: Thu, 8 Aug 2019 18:33:45 +0300 Message-Id: <20190808153346.9061-9-hch@lst.de> In-Reply-To: <20190808153346.9061-1-hch@lst.de> References: <20190808153346.9061-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	[1/9] mm: turn migrate_vma upside down \| expand [1/9] mm: turn migrate_vma upside down [2/9] nouveau: reset dma_nr in nouveau_dmem_migrate_alloc_and_copy [3/9] nouveau: factor out device memory address calculation [4/9] nouveau: factor out dmem fence completion [5/9] nouveau: remove a few function stubs [6/9] nouveau: simplify nouveau_dmem_migrate_to_ram [7/9] nouveau: simplify nouveau_dmem_migrate_vma [8/9] mm: remove the unused MIGRATE_PFN_ERROR flag [9/9] mm: remove the unused MIGRATE_PFN_DEVICE flag

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20190808153346.9061-9-hch@lst.de (mailing list archive)

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From: Christoph Hellwig <hch@lst.de>
To: =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>,
 Jason Gunthorpe <jgg@mellanox.com>, Ben Skeggs <bskeggs@redhat.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>,
	Bharata B Rao <bharata@linux.ibm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org,
	nouveau@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 8/9] mm: remove the unused MIGRATE_PFN_ERROR flag
Date: Thu,  8 Aug 2019 18:33:45 +0300
Message-Id: <20190808153346.9061-9-hch@lst.de>
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Series

[1/9] mm: turn migrate_vma upside down | expand

Commit Message

Christoph Hellwig Aug. 8, 2019, 3:33 p.m. UTC

Now that we can rely errors in the normal control flow there is no
need for this flag, remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
---
 include/linux/migrate.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index 18156d379ebf..1e67dcfd318f 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -167,7 +167,6 @@  static inline int migrate_misplaced_transhuge_page(struct mm_struct *mm,
 #define MIGRATE_PFN_LOCKED	(1UL << 2)
 #define MIGRATE_PFN_WRITE	(1UL << 3)
 #define MIGRATE_PFN_DEVICE	(1UL << 4)
-#define MIGRATE_PFN_ERROR	(1UL << 5)
 #define MIGRATE_PFN_SHIFT	6
 
 static inline struct page *migrate_pfn_to_page(unsigned long mpfn)

[8/9] mm: remove the unused MIGRATE_PFN_ERROR flag

Commit Message

Patch