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Sat, 16 Aug 2025 07:06:52 -0700 (PDT) Date: Sat, 16 Aug 2025 14:06:52 +0000 From: Wei Yang To: Aboorva Devarajan Cc: 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, richard.weiyang@gmail.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, donettom@linux.ibm.com, ritesh.list@gmail.com Subject: Re: [PATCH v4 2/7] selftests/mm: Add support to test 4PB VA on PPC64 Message-ID: <20250816140652.qf52izwhltcofp3o@master> Reply-To: Wei Yang References: <20250816040113.760010-1-aboorvad@linux.ibm.com> <20250816040113.760010-3-aboorvad@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250816040113.760010-3-aboorvad@linux.ibm.com> User-Agent: NeoMutt/20170113 (1.7.2) On Sat, Aug 16, 2025 at 09:31:08AM +0530, Aboorva Devarajan wrote: >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. > >Co-developed-by: Aboorva Devarajan >Signed-off-by: Aboorva Devarajan >Reviewed-by: Dev Jain >Acked-by: David Hildenbrand >Reviewed-by: Zi Yan >Signed-off-by: Donet Tom Reviewed-by: Wei Yang -- Wei Yang Help you, Help me