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>, "Thomas Gleixner" <tglx@linutronix.de>, "Ingo Molnar" <mingo@redhat.com>, "Peter Zijlstra" <peterz@infradead.org>, "Darren Hart" <dvhart@infradead.org> Subject: [PATCH v3 26/41] futex: convert put_page() to put_user_page*() Date: Tue, 6 Aug 2019 18:33:25 -0700 Message-ID: <20190807013340.9706-27-jhubbard@nvidia.com> (raw) In-Reply-To: <20190807013340.9706-1-jhubbard@nvidia.com> From: John Hubbard <jhubbard@nvidia.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"). Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Darren Hart <dvhart@infradead.org> Signed-off-by: John Hubbard <jhubbard@nvidia.com> --- kernel/futex.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/futex.c b/kernel/futex.c index 6d50728ef2e7..4b4cae58ec57 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -623,7 +623,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a lock_page(page); shmem_swizzled = PageSwapCache(page) || page->mapping; unlock_page(page); - put_page(page); + put_user_page(page); if (shmem_swizzled) goto again; @@ -675,7 +675,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a if (READ_ONCE(page->mapping) != mapping) { rcu_read_unlock(); - put_page(page); + put_user_page(page); goto again; } @@ -683,7 +683,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a inode = READ_ONCE(mapping->host); if (!inode) { rcu_read_unlock(); - put_page(page); + put_user_page(page); goto again; } @@ -702,7 +702,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a */ if (!atomic_inc_not_zero(&inode->i_count)) { rcu_read_unlock(); - put_page(page); + put_user_page(page); goto again; } @@ -723,7 +723,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a } out: - put_page(page); + put_user_page(page); return err; } -- 2.22.0
next prev parent reply index Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-07 1:32 [PATCH v3 00/39] put_user_pages(): miscellaneous call sites john.hubbard 2019-08-07 1:33 ` [PATCH v3 01/41] mm/gup: add make_dirty arg to put_user_pages_dirty_lock() john.hubbard 2019-08-07 1:33 ` [PATCH v3 02/41] drivers/gpu/drm/via: convert put_page() to put_user_page*() john.hubbard 2019-08-07 1:33 ` [PATCH v3 03/41] net/xdp: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 04/41] net/rds: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 05/41] net/ceph: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 06/41] x86/kvm: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 07/41] drm/etnaviv: convert release_pages() to put_user_pages() john.hubbard 2019-08-07 1:33 ` [PATCH v3 08/41] drm/i915: convert put_page() to put_user_page*() john.hubbard 2019-08-07 1:33 ` [PATCH v3 09/41] drm/radeon: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 10/41] media/ivtv: " john.hubbard 2019-08-07 8:51 ` Hans Verkuil 2019-08-07 1:33 ` [PATCH v3 11/41] media/v4l2-core/mm: " john.hubbard 2019-08-07 7:20 ` Sakari Ailus 2019-08-07 8:07 ` Hans Verkuil 2019-08-07 1:33 ` [PATCH v3 12/41] genwqe: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 13/41] scif: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 14/41] vmci: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 15/41] rapidio: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 16/41] oradax: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 17/41] staging/vc04_services: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 18/41] drivers/tee: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 19/41] vfio: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 20/41] fbdev/pvr2fb: " john.hubbard 2019-08-09 11:38 ` Bartlomiej Zolnierkiewicz 2019-08-07 1:33 ` [PATCH v3 21/41] fsl_hypervisor: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 22/41] xen: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 23/41] fs/exec.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 24/41] orangefs: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 25/41] uprobes: " john.hubbard 2019-08-07 1:33 ` john.hubbard [this message] 2019-08-07 1:33 ` [PATCH v3 27/41] mm/frame_vector.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 28/41] mm/gup_benchmark.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 29/41] mm/memory.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 30/41] mm/madvise.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 31/41] mm/process_vm_access.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 32/41] crypt: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 33/41] fs/nfs: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 34/41] goldfish_pipe: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 35/41] kernel/events/core.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 36/41] fs/binfmt_elf: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 37/41] security/tomoyo: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 38/41] powerpc: " john.hubbard 2019-08-08 5:42 ` Michael Ellerman 2019-08-09 1:26 ` John Hubbard 2019-08-09 12:20 ` Michael Ellerman 2019-08-07 1:33 ` [PATCH v3 39/41] mm/mlock.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 40/41] mm/mempolicy.c: " john.hubbard 2019-08-07 1:33 ` [PATCH v3 41/41] mm/ksm: " john.hubbard 2019-08-07 1:49 ` [PATCH v3 00/39] put_user_pages(): miscellaneous call sites John Hubbard 2019-08-30 1:29 ` Mike Marshall 2019-08-30 2:21 ` John Hubbard
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