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[70.30.145.63]) by smtp.gmail.com with ESMTPSA id bm16-20020a05620a199000b006e16dcf99c8sm21142978qkb.71.2023.01.17.14.09.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Jan 2023 14:09:30 -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 06/21] madvise: Add QEMU_MADV_COLLAPSE Date: Tue, 17 Jan 2023 17:08:59 -0500 Message-Id: <20230117220914.2062125-7-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=170.10.129.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UPPERCASE_50_75=0.008 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 MADV_COLLAPSE is a new madvise() on Linux. Define it. Signed-off-by: Peter Xu Reviewed-by: Juan Quintela --- include/qemu/madvise.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/qemu/madvise.h b/include/qemu/madvise.h index 3dddd25065..794e5fb0a7 100644 --- a/include/qemu/madvise.h +++ b/include/qemu/madvise.h @@ -68,6 +68,11 @@ #else #define QEMU_MADV_SPLIT QEMU_MADV_INVALID #endif +#ifdef MADV_COLLAPSE +#define QEMU_MADV_COLLAPSE MADV_COLLAPSE +#else +#define QEMU_MADV_COLLAPSE QEMU_MADV_INVALID +#endif #elif defined(CONFIG_POSIX_MADVISE) @@ -83,6 +88,7 @@ #define QEMU_MADV_REMOVE QEMU_MADV_DONTNEED #define QEMU_MADV_POPULATE_WRITE QEMU_MADV_INVALID #define QEMU_MADV_SPLIT QEMU_MADV_INVALID +#define QEMU_MADV_COLLAPSE QEMU_MADV_INVALID #else /* no-op */ @@ -98,6 +104,7 @@ #define QEMU_MADV_REMOVE QEMU_MADV_INVALID #define QEMU_MADV_POPULATE_WRITE QEMU_MADV_INVALID #define QEMU_MADV_SPLIT QEMU_MADV_INVALID +#define QEMU_MADV_COLLAPSE QEMU_MADV_INVALID #endif