diff options
| -rw-r--r-- | migration/multifd.c | 19 | ||||
| -rw-r--r-- | migration/multifd.h | 4 |
2 files changed, 14 insertions, 9 deletions
diff --git a/migration/multifd.c b/migration/multifd.c index 640e4450ff..717e71f539 100644 --- a/migration/multifd.c +++ b/migration/multifd.c @@ -98,6 +98,17 @@ struct { MultiFDMethods *ops; } *multifd_recv_state; +static size_t multifd_ram_payload_size(void) +{ + uint32_t n = multifd_ram_page_count(); + + /* + * We keep an array of page offsets at the end of MultiFDPages_t, + * add space for it in the allocation. + */ + return sizeof(MultiFDPages_t) + n * sizeof(ram_addr_t); +} + static bool multifd_use_packets(void) { return !migrate_mapped_ram(); @@ -394,18 +405,12 @@ static int multifd_recv_initial_packet(QIOChannel *c, Error **errp) static MultiFDPages_t *multifd_pages_init(uint32_t n) { - MultiFDPages_t *pages = g_new0(MultiFDPages_t, 1); - - pages->offset = g_new0(ram_addr_t, n); - - return pages; + return g_malloc0(multifd_ram_payload_size()); } static void multifd_pages_clear(MultiFDPages_t *pages) { multifd_pages_reset(pages); - g_free(pages->offset); - pages->offset = NULL; g_free(pages); } diff --git a/migration/multifd.h b/migration/multifd.h index 7bb4a2cbc4..a7fdd97f70 100644 --- a/migration/multifd.h +++ b/migration/multifd.h @@ -77,9 +77,9 @@ typedef struct { uint32_t num; /* number of normal pages */ uint32_t normal_num; - /* offset of each page */ - ram_addr_t *offset; RAMBlock *block; + /* offset of each page */ + ram_addr_t offset[]; } MultiFDPages_t; struct MultiFDRecvData { |