From: Ralph Campbell <rcampbell@nvidia.com> To: <linux-mm@kvack.org>, <kvm-ppc@vger.kernel.org>, <linux-kselftest@vger.kernel.org>, <linux-kernel@vger.kernel.org> Cc: Jerome Glisse <jglisse@redhat.com>, John Hubbard <jhubbard@nvidia.com>, Christoph Hellwig <hch@lst.de>, Jason Gunthorpe <jgg@mellanox.com>, "Bharata B Rao" <bharata@linux.ibm.com>, Shuah Khan <shuah@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Ralph Campbell <rcampbell@nvidia.com> Subject: [PATCH v2 0/2] mm/migrate: optimize migrate_vma_setup() for holes Date: Fri, 10 Jul 2020 12:48:38 -0700 [thread overview] Message-ID: <20200710194840.7602-1-rcampbell@nvidia.com> (raw) A simple optimization for migrate_vma_*() when the source vma is not an anonymous vma and a new test case to exercise it. This is based on linux-mm and is for Andrew Morton's tree. Changes in v2: Do the same check for vma_is_anonymous() for pte_none(). Don't increment cpages if the page isn't migrating. Ralph Campbell (2): mm/migrate: optimize migrate_vma_setup() for holes mm/migrate: add migrate-shared test for migrate_vma_*() mm/migrate.c | 16 ++++++++++-- tools/testing/selftests/vm/hmm-tests.c | 35 ++++++++++++++++++++++++++ 2 files changed, 49 insertions(+), 2 deletions(-) -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Ralph Campbell <rcampbell@nvidia.com> To: linux-mm@kvack.org, kvm-ppc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jerome Glisse <jglisse@redhat.com>, John Hubbard <jhubbard@nvidia.com>, Christoph Hellwig <hch@lst.de>, Jason Gunthorpe <jgg@mellanox.com>, Bharata B Rao <bharata@linux.ibm.com>, Shuah Khan <shuah@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Ralph Campbell <rcampbell@nvidia.com> Subject: [PATCH v2 0/2] mm/migrate: optimize migrate_vma_setup() for holes Date: Fri, 10 Jul 2020 19:48:38 +0000 [thread overview] Message-ID: <20200710194840.7602-1-rcampbell@nvidia.com> (raw) A simple optimization for migrate_vma_*() when the source vma is not an anonymous vma and a new test case to exercise it. This is based on linux-mm and is for Andrew Morton's tree. Changes in v2: Do the same check for vma_is_anonymous() for pte_none(). Don't increment cpages if the page isn't migrating. Ralph Campbell (2): mm/migrate: optimize migrate_vma_setup() for holes mm/migrate: add migrate-shared test for migrate_vma_*() mm/migrate.c | 16 ++++++++++-- tools/testing/selftests/vm/hmm-tests.c | 35 ++++++++++++++++++++++++++ 2 files changed, 49 insertions(+), 2 deletions(-) -- 2.20.1
next reply other threads:[~2020-07-10 19:48 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-10 19:48 Ralph Campbell [this message] 2020-07-10 19:48 ` [PATCH v2 0/2] mm/migrate: optimize migrate_vma_setup() for holes Ralph Campbell 2020-07-10 19:48 ` [PATCH v2 1/2] " Ralph Campbell 2020-07-10 19:48 ` Ralph Campbell 2020-07-10 19:48 ` [PATCH v2 2/2] mm/migrate: add migrate-shared test for migrate_vma_*() Ralph Campbell 2020-07-10 19:48 ` Ralph Campbell
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