Message ID | 20230616110826.344417-10-aneesh.kumar@linux.ibm.com (mailing list archive) |
---|---|
State | Changes Requested |
Headers | show
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Fri, 16 Jun 2023 11:09:42 +0000 (GMT) Received: from smtpav02.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 03F375805C; Fri, 16 Jun 2023 11:09:36 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.43.52.24]) by smtpav02.wdc07v.mail.ibm.com (Postfix) with ESMTP; Fri, 16 Jun 2023 11:09:35 +0000 (GMT) From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> To: linux-mm@kvack.org, akpm@linux-foundation.org, mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org, npiggin@gmail.com, christophe.leroy@csgroup.eu Subject: [PATCH v2 09/16] mm/vmemmap: Allow architectures to override how vmemmap optimization works Date: Fri, 16 Jun 2023 16:38:19 +0530 Message-Id: <20230616110826.344417-10-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230616110826.344417-1-aneesh.kumar@linux.ibm.com> References: <20230616110826.344417-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: GMpZt1GP3KN7acv2igOUSqdfrjzguVxv X-Proofpoint-ORIG-GUID: qZv9AyAbTlUNYM2GAQgBNx4vAn01YRIw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-06-16_08,2023-06-16_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 mlxlogscore=999 bulkscore=0 impostorscore=0 priorityscore=1501 suspectscore=0 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306160104 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Cc: Catalin Marinas <catalin.marinas@arm.com>, Muchun Song <muchun.song@linux.dev>, "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>, Dan Williams <dan.j.williams@intel.com>, Oscar Salvador <osalvador@suse.de>, Will Deacon <will@kernel.org>, Joao Martins <joao.m.martins@oracle.com>, Mike Kravetz <mike.kravetz@oracle.com> Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
Series |
Add support for DAX vmemmap optimization for ppc64
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expand
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diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c index 10d73a0dfcec..0b83706c08fd 100644 --- a/mm/sparse-vmemmap.c +++ b/mm/sparse-vmemmap.c @@ -141,6 +141,7 @@ void __meminit vmemmap_verify(pte_t *pte, int node, start, end - 1); } +#ifndef vmemmap_populate_compound_pages pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node, struct vmem_altmap *altmap, struct page *reuse) @@ -446,6 +447,8 @@ static int __meminit vmemmap_populate_compound_pages(unsigned long start_pfn, return 0; } +#endif + struct page * __meminit __populate_section_memmap(unsigned long pfn, unsigned long nr_pages, int nid, struct vmem_altmap *altmap, struct dev_pagemap *pgmap)
Architectures like powerpc will like to use different page table allocators and mapping mechanisms to implement vmemmap optimization. Similar to vmemmap_populate allow architectures to implement vmemap_populate_compound_pages Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> --- mm/sparse-vmemmap.c | 3 +++ 1 file changed, 3 insertions(+)