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From: john.hubbard@gmail.com
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Christoph Hellwig" <hch@infradead.org>,
	"Dan Williams" <dan.j.williams@intel.com>,
	"Dave Chinner" <david@fromorbit.com>,
	"Dave Hansen" <dave.hansen@linux.intel.com>,
	"Ira Weiny" <ira.weiny@intel.com>, "Jan Kara" <jack@suse.cz>,
	"Jason Gunthorpe" <jgg@ziepe.ca>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	LKML <linux-kernel@vger.kernel.org>,
	amd-gfx@lists.freedesktop.org, ceph-devel@vger.kernel.org,
	devel@driverdev.osuosl.org, devel@lists.orangefs.org,
	dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org,
	kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-block@vger.kernel.org, linux-crypto@vger.kernel.org,
	linux-fbdev@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-media@vger.kernel.org, linux-mm@kvack.org,
	linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org,
	linux-rpi-kernel@lists.infradead.org, linux-xfs@vger.kernel.org,
	netdev@vger.kernel.org, rds-devel@oss.oracle.com,
	sparclinux@vger.kernel.org, x86@kernel.org,
	xen-devel@lists.xenproject.org,
	"John Hubbard" <jhubbard@nvidia.com>
Subject: [PATCH v2 34/34] fs/binfmt_elf: convert put_page() to put_user_page*()
Date: Sun,  4 Aug 2019 15:49:15 -0700	[thread overview]
Message-ID: <20190804224915.28669-35-jhubbard@nvidia.com> (raw)
In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com>

From: Ira Weiny <ira.weiny@intel.com>

For pages that were retained via get_user_pages*(), release those pages
via the new put_user_page*() routines, instead of via put_page() or
release_pages().

This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
("mm: introduce put_user_page*(), placeholder versions").

get_dump_page calls get_user_page so put_user_page must be used
to match.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
 fs/binfmt_elf.c       | 2 +-
 fs/binfmt_elf_fdpic.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index d4e11b2e04f6..92e4a5ca99d8 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2377,7 +2377,7 @@ static int elf_core_dump(struct coredump_params *cprm)
 				void *kaddr = kmap(page);
 				stop = !dump_emit(cprm, kaddr, PAGE_SIZE);
 				kunmap(page);
-				put_page(page);
+				put_user_page(page);
 			} else
 				stop = !dump_skip(cprm, PAGE_SIZE);
 			if (stop)
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index d86ebd0dcc3d..321724b3be22 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -1511,7 +1511,7 @@ static bool elf_fdpic_dump_segments(struct coredump_params *cprm)
 				void *kaddr = kmap(page);
 				res = dump_emit(cprm, kaddr, PAGE_SIZE);
 				kunmap(page);
-				put_page(page);
+				put_user_page(page);
 			} else {
 				res = dump_skip(cprm, PAGE_SIZE);
 			}
-- 
2.22.0


      parent reply	other threads:[~2019-08-04 22:50 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-04 22:48 [PATCH v2 00/34] put_user_pages(): miscellaneous call sites john.hubbard
2019-08-04 22:48 ` [PATCH v2 01/34] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() john.hubbard
2019-08-06 17:39   ` Ira Weiny
2019-08-06 20:39     ` John Hubbard
2019-08-04 22:48 ` [PATCH v2 02/34] net/rds: convert put_page() to put_user_page*() john.hubbard
2019-08-04 22:48 ` [PATCH v2 03/34] net/ceph: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 04/34] x86/kvm: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 05/34] drm/etnaviv: convert release_pages() to put_user_pages() john.hubbard
2019-08-04 22:48 ` [PATCH v2 06/34] drm/i915: convert put_page() to put_user_page*() john.hubbard
2019-08-05 16:53   ` Rodrigo Vivi
2019-08-04 22:48 ` [PATCH v2 07/34] drm/radeon: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 08/34] media/ivtv: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 09/34] media/v4l2-core/mm: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 10/34] genwqe: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 11/34] scif: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 12/34] vmci: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 13/34] rapidio: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 14/34] oradax: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 15/34] staging/vc04_services: " john.hubbard
2019-08-13  5:23   ` Stefan Wahren
2019-08-04 22:48 ` [PATCH v2 16/34] drivers/tee: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 17/34] vfio: " john.hubbard
2019-08-04 22:48 ` [PATCH v2 18/34] fbdev/pvr2fb: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 19/34] fsl_hypervisor: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 20/34] xen: " john.hubbard
2019-08-05  4:15   ` Juergen Gross
2019-08-04 22:49 ` [PATCH v2 21/34] fs/exec.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 22/34] orangefs: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 23/34] uprobes: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 24/34] futex: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 25/34] mm/frame_vector.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 26/34] mm/gup_benchmark.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 27/34] mm/memory.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 28/34] mm/madvise.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 29/34] mm/process_vm_access.c: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 30/34] crypt: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 31/34] fs/nfs: " john.hubbard
2019-08-05  0:26   ` Calum Mackay
2019-08-04 22:49 ` [PATCH v2 32/34] goldfish_pipe: " john.hubbard
2019-08-04 22:49 ` [PATCH v2 33/34] kernel/events/core.c: " john.hubbard
2019-08-04 22:49 ` john.hubbard [this message]

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