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[70.52.229.124]) by smtp.gmail.com with ESMTPSA id g26-20020ac8481a000000b003e38c9a2a22sm4334704qtq.92.2023.04.12.09.42.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Apr 2023 09:42:37 -0700 (PDT) From: Peter Xu To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: Andrew Morton , Andrea Arcangeli , Mike Kravetz , Nadav Amit , David Hildenbrand , Mike Rapoport , Axel Rasmussen , Leonardo Bras Soares Passos , peterx@redhat.com Subject: [PATCH v2 10/31] selftests/mm: Test UFFDIO_ZEROPAGE only when !hugetlb Date: Wed, 12 Apr 2023 12:42:34 -0400 Message-Id: <20230412164234.328168-1-peterx@redhat.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230412163922.327282-1-peterx@redhat.com> References: <20230412163922.327282-1-peterx@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Make the check as simple as "test_type =3D=3D TEST_HUGETLB" because that's = the only mem that doesn't support ZEROPAGE. Signed-off-by: Peter Xu Reviewed-by: Axel Rasmussen --- tools/testing/selftests/mm/userfaultfd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/userfaultfd.c b/tools/testing/selft= ests/mm/userfaultfd.c index 795fbc4d84f8..d724f1c78847 100644 --- a/tools/testing/selftests/mm/userfaultfd.c +++ b/tools/testing/selftests/mm/userfaultfd.c @@ -1118,7 +1118,7 @@ static int __uffdio_zeropage(int ufd, unsigned long o= ffset, bool retry) { struct uffdio_zeropage uffdio_zeropage; int ret; - bool has_zeropage =3D get_expected_ioctls(0) & (1 << _UFFDIO_ZEROPAGE); + bool has_zeropage =3D !(test_type =3D=3D TEST_HUGETLB); __s64 res; =20 if (offset >=3D nr_pages * page_size) --=20 2.39.1