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Thu, 3 Jul 2025 06:07:17 GMT Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4C1662004E; Thu, 3 Jul 2025 06:07:17 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CA86F20043; Thu, 3 Jul 2025 06:07:11 +0000 (GMT) Received: from aboo.ibm.com.com (unknown [9.39.26.205]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 3 Jul 2025 06:07:11 +0000 (GMT) From: Aboorva Devarajan To: akpm@linux-foundation.org, Liam.Howlett@oracle.com, lorenzo.stoakes@oracle.com, shuah@kernel.org, pfalcato@suse.de, david@redhat.com, ziy@nvidia.com, baolin.wang@linux.alibaba.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, donettom@linux.ibm.com, ritesh.list@gmail.com, aboorvad@linux.ibm.com Subject: [PATCH v2 2/7] selftests/mm: Add support to test 4PB VA on PPC64 Date: Thu, 3 Jul 2025 11:36:51 +0530 Message-ID: <20250703060656.54345-3-aboorvad@linux.ibm.com> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250703060656.54345-1-aboorvad@linux.ibm.com> References: <20250703060656.54345-1-aboorvad@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: tmbFQJNISn6HPBQMdf9Cf-XNvSsH9xNB X-Proofpoint-GUID: uVk-xLyp3Zx-I3ZLfzuU-_vwFZSdFFNq X-Authority-Analysis: v=2.4 cv=Ib6HWXqa c=1 sm=1 tr=0 ts=68661e1b cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=Wb1JkmetP80A:10 a=VnNF1IyMAAAA:8 a=jWZC2Vw2s6trTHuKtcwA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNzAzMDA0NCBTYWx0ZWRfXzo8+nRTYMaqz VPVFqmxs3+tAq0W7AkhcIxYjwDqUh+vryUl8OSzyk1HSIuU6UocWZVShahFywq245/72GqkRt7h Zv7sCgqwmxHCo2j6a64fZ+RhiXw+xqSnzavdxQh4GnqaMIis9O5lGeFfOdvbY7w0L2eJgnIIbLM Vl8+H03XjBGt5Sbv1hReaBIXr+lpyw1OqbG4Xqc4YLys4agNHggiFecTSTxOisB1pCLUUZHxvD0 GcCrzHMUOvCcPNsUqScHLdMRJdGnIKh83YwStMrkqpS5G049DuGtRi5m7X1MmDQAy3wIJsLGfed VxCow+CLWqFyS59RL6zhQk+Ev8IwK/69rDtyvgkrfgzUOPVPmgd+KcpdDGgstNrjzpa01IjNMrW 1sW694dCDJxI9t9/0V/ww0YMsGfhMfWrsaGysZc2ztEuEn+FNCkrVXejVwtGd5wVrVNKIvzV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-03_01,2025-07-02_04,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 clxscore=1015 mlxlogscore=818 lowpriorityscore=0 impostorscore=0 mlxscore=0 malwarescore=0 spamscore=0 priorityscore=1501 adultscore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2507030044 X-Stat-Signature: cby7cg3kknaspmfndknmiwm3gscdrrtg X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 4F0524001F X-Rspam-User: X-HE-Tag: 1751522848-376022 X-HE-Meta: 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 UqGkBOO/ Ux9Ts3UHb56cyoO1pvCo/r5XVpkeJYfnrpB8XNfWFFkjRwAiUalPQ+spP8IxFA9phunmmtxRu075DZe7inA3VICSETaZ7SnWUXD6v2YEZ0bm6X7hFJvg84bS5Bq6uj0XpsqsUqyjqB+vP3OkiSHgySLImJSvCuG7PKKB2jSBx6eaPOq8wQN1j1GivpwRz77T9nvMZ0bGJ2V+njS+Gt/7qvCFNEr9qwaWZzRJUOVjotvwOIX86YDq6Hbgb+/Qz3IYpPa4onAAXcqtga2CdwLefaRohbw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Donet Tom PowerPC64 supports a 4PB virtual address space, but this test was previously limited to 512TB. This patch extends the coverage up to the full 4PB VA range on PowerPC64. Memory from 0 to 128TB is allocated without an address hint, while allocations from 128TB to 4PB use a hint address. Signed-off-by: Donet Tom Signed-off-by: Aboorva Devarajan --- tools/testing/selftests/mm/virtual_address_range.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/mm/virtual_address_range.c b/tools/testing/selftests/mm/virtual_address_range.c index e24c36a39f22..619acf0b9239 100644 --- a/tools/testing/selftests/mm/virtual_address_range.c +++ b/tools/testing/selftests/mm/virtual_address_range.c @@ -50,6 +50,7 @@ #define NR_CHUNKS_256TB (NR_CHUNKS_128TB * 2UL) #define NR_CHUNKS_384TB (NR_CHUNKS_128TB * 3UL) #define NR_CHUNKS_3840TB (NR_CHUNKS_128TB * 30UL) +#define NR_CHUNKS_3968TB (NR_CHUNKS_128TB * 31UL) #define ADDR_MARK_128TB (1UL << 47) /* First address beyond 128TB */ #define ADDR_MARK_256TB (1UL << 48) /* First address beyond 256TB */ @@ -59,6 +60,11 @@ #define HIGH_ADDR_SHIFT 49 #define NR_CHUNKS_LOW NR_CHUNKS_256TB #define NR_CHUNKS_HIGH NR_CHUNKS_3840TB +#elif defined(__PPC64__) +#define HIGH_ADDR_MARK ADDR_MARK_128TB +#define HIGH_ADDR_SHIFT 48 +#define NR_CHUNKS_LOW NR_CHUNKS_128TB +#define NR_CHUNKS_HIGH NR_CHUNKS_3968TB #else #define HIGH_ADDR_MARK ADDR_MARK_128TB #define HIGH_ADDR_SHIFT 48 -- 2.43.5