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Szmigiero" , =?utf-8?q?Philippe_Mat?= =?utf-8?q?hieu-Daud=C3=A9?= Subject: [PATCH v5 03/18] migration/multifd: Remove pages->allocated Date: Mon, 26 Aug 2024 16:53:07 -0300 Message-Id: <20240826195322.16532-4-farosas@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20240826195322.16532-1-farosas@suse.de> References: <20240826195322.16532-1-farosas@suse.de> MIME-Version: 1.0 X-Rspamd-Queue-Id: EE4CC1F8B3 X-Spam-Score: -3.01 X-Rspamd-Action: no action X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,suse.de:mid,suse.de:email,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; RCVD_COUNT_TWO(0.00)[2]; DWL_DNSWL_BLOCKED(0.00)[suse.de:dkim]; RCPT_COUNT_THREE(0.00)[4]; DKIM_TRACE(0.00)[suse.de:+] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org Received-SPF: pass client-ip=2a07:de40:b251:101:10:150:64:2; envelope-from=farosas@suse.de; helo=smtp-out2.suse.de 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This value never changes and is always the same as page_count. We don't need a copy of it per-channel plus one in the extra slot. Remove it. Reviewed-by: Peter Xu Signed-off-by: Fabiano Rosas --- migration/multifd.c | 6 ++---- migration/multifd.h | 2 -- 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/migration/multifd.c b/migration/multifd.c index 3dfed8a005..30e5c687d3 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -396,7 +396,6 @@ static MultiFDPages_t *multifd_pages_init(uint32_t n) { MultiFDPages_t *pages = g_new0(MultiFDPages_t, 1); - pages->allocated = n; pages->offset = g_new0(ram_addr_t, n); return pages; @@ -405,7 +404,6 @@ static MultiFDPages_t *multifd_pages_init(uint32_t n) static void multifd_pages_clear(MultiFDPages_t *pages) { multifd_pages_reset(pages); - pages->allocated = 0; g_free(pages->offset); pages->offset = NULL; g_free(pages); @@ -420,7 +418,7 @@ void multifd_send_fill_packet(MultiFDSendParams *p) int i; packet->flags = cpu_to_be32(p->flags); - packet->pages_alloc = cpu_to_be32(pages->allocated); + packet->pages_alloc = cpu_to_be32(multifd_ram_page_count()); packet->normal_pages = cpu_to_be32(pages->normal_num); packet->zero_pages = cpu_to_be32(zero_num); packet->next_packet_size = cpu_to_be32(p->next_packet_size); @@ -651,7 +649,7 @@ static inline bool multifd_queue_empty(MultiFDPages_t *pages) static inline bool multifd_queue_full(MultiFDPages_t *pages) { - return pages->num == pages->allocated; + return pages->num == multifd_ram_page_count(); } static inline void multifd_enqueue(MultiFDPages_t *pages, ram_addr_t offset) diff --git a/migration/multifd.h b/migration/multifd.h index a2bba23af9..660a9882c2 100644 --- a/migration/multifd.h +++ b/migration/multifd.h @@ -76,8 +76,6 @@ typedef struct { uint32_t num; /* number of normal pages */ uint32_t normal_num; - /* number of allocated pages */ - uint32_t allocated; /* offset of each page */ ram_addr_t *offset; RAMBlock *block;