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[70.30.145.63]) by smtp.gmail.com with ESMTPSA id bm16-20020a05620a199000b006e16dcf99c8sm21142978qkb.71.2023.01.17.14.09.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 14:09:22 -0800 (PST) From: Peter Xu To: qemu-devel@nongnu.org Cc: Leonardo Bras Soares Passos , James Houghton , Juan Quintela , peterx@redhat.com, "Dr . David Alan Gilbert" Subject: [PATCH RFC 03/21] physmem: Add qemu_ram_is_hugetlb() Date: Tue, 17 Jan 2023 17:08:56 -0500 Message-Id: <20230117220914.2062125-4-peterx@redhat.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20230117220914.2062125-1-peterx@redhat.com> References: <20230117220914.2062125-1-peterx@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=170.10.133.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Returns true for a hugetlbfs mapping, false otherwise. Signed-off-by: Peter Xu Reviewed-by: Dr. David Alan Gilbert Reviewed-by: Juan Quintela --- include/exec/cpu-common.h | 1 + softmmu/physmem.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index 6feaa40ca7..94452aa17f 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -95,6 +95,7 @@ void qemu_ram_unset_migratable(RAMBlock *rb); int qemu_ram_get_fd(RAMBlock *rb); size_t qemu_ram_pagesize(RAMBlock *block); +bool qemu_ram_is_hugetlb(RAMBlock *rb); size_t qemu_ram_pagesize_largest(void); /** diff --git a/softmmu/physmem.c b/softmmu/physmem.c index edec095c7a..a4fb129d8f 100644 --- a/softmmu/physmem.c +++ b/softmmu/physmem.c @@ -1798,6 +1798,11 @@ size_t qemu_ram_pagesize(RAMBlock *rb) return rb->page_size; } +bool qemu_ram_is_hugetlb(RAMBlock *rb) +{ + return rb->page_size > qemu_real_host_page_size(); +} + /* Returns the largest size of page in use */ size_t qemu_ram_pagesize_largest(void) {