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Howlett" , Lorenzo Stoakes , Michal Hocko , Mike Rapoport , Suren Baghdasaryan , Vlastimil Babka , linux-kernel@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org X-Mailer: b4 0.16.1-dev X-Rspamd-Queue-Id: F3C4B80012 X-Rspam-User: X-Stat-Signature: 1qa9yr7br5dgqt61j3ug7h4b1xm97hs6 X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_PASS, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Rspamd-Server: rspam03 X-HE-Tag: 1793269129-295633 X-HE-Meta: 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 UvMUYrgr 2S/QkqkwSdfn/82yOobgTaa3B3NkkQ7QbivvSwiXRNfJ45M8ghOmNrfWLCLydBDYX3QpCA2VAfqdjEpQkG6bcCyDlQy9JyxqGO8rSPvcHlIw5CxQqB4sNXJZ/V+9EjaYCSdtCIEZnD9i66bWts2LGd8EA/H8a4nsjefslsvJz0UqV3UrYdCIvSbS0CncWJemR0cbH3EoXQXdBVnemSkXYscIwPyn8xV0Fo0TuzbbcPJ9wv/5DwYqLONAGvKSf7/29frOCJDP55Zu1SY4= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 CMA areas allocated from memblock have their memory accepted by memblock_alloc_range_nid(), but areas reserved at a fixed address with memblock_reserve() are not. If a fixed CMA area is requested by the cma=@ command line parameter, it may be in regular RAM and on TDX and SEV-SNP guests it must be accepted. Accept the memory of fixed CMA areas as well, so that all CMA areas are accepted regardless of how they were reserved. Fixes: 75d090fd167a ("x86/tdx: Add unaccepted memory support") Cc: stable@vger.kernel.org Signed-off-by: Mike Rapoport (Microsoft) --- mm/cma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/cma.c b/mm/cma.c index 0035efb1130a5..f61d52796f4ef 100644 --- a/mm/cma.c +++ b/mm/cma.c @@ -381,6 +381,8 @@ static int __init cma_fixed_reserve(phys_addr_t base, phys_addr_t size) return -EBUSY; } + accept_memory(base, size); + return 0; } -- 2.53.0