Need to mark copied pages as closer as possible to the place where it tracks down. That will be necessary in futher patch.
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com> Reviewed-by: Peter Xu <pet...@redhat.com> Reviewed-by: Juan Quintela <quint...@redhat.com> Signed-off-by: Alexey Perevalov <a.pereva...@samsung.com> --- migration/postcopy-ram.c | 13 +++++++------ migration/postcopy-ram.h | 4 ++-- migration/ram.c | 4 ++-- 3 files changed, 11 insertions(+), 10 deletions(-) diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c index 7e21e6f..996e64d 100644 --- a/migration/postcopy-ram.c +++ b/migration/postcopy-ram.c @@ -564,9 +564,10 @@ int postcopy_ram_enable_notify(MigrationIncomingState *mis) * returns 0 on success */ int postcopy_place_page(MigrationIncomingState *mis, void *host, void *from, - size_t pagesize) + RAMBlock *rb) { struct uffdio_copy copy_struct; + size_t pagesize = qemu_ram_pagesize(rb); copy_struct.dst = (uint64_t)(uintptr_t)host; copy_struct.src = (uint64_t)(uintptr_t)from; @@ -595,11 +596,11 @@ int postcopy_place_page(MigrationIncomingState *mis, void *host, void *from, * returns 0 on success */ int postcopy_place_page_zero(MigrationIncomingState *mis, void *host, - size_t pagesize) + RAMBlock *rb) { trace_postcopy_place_page_zero(host); - if (pagesize == getpagesize()) { + if (qemu_ram_pagesize(rb) == getpagesize()) { struct uffdio_zeropage zero_struct; zero_struct.range.start = (uint64_t)(uintptr_t)host; zero_struct.range.len = getpagesize(); @@ -629,7 +630,7 @@ int postcopy_place_page_zero(MigrationIncomingState *mis, void *host, memset(mis->postcopy_tmp_zero_page, '\0', mis->largest_page_size); } return postcopy_place_page(mis, host, mis->postcopy_tmp_zero_page, - pagesize); + rb); } return 0; @@ -692,14 +693,14 @@ int postcopy_ram_enable_notify(MigrationIncomingState *mis) } int postcopy_place_page(MigrationIncomingState *mis, void *host, void *from, - size_t pagesize) + RAMBlock *rb) { assert(0); return -1; } int postcopy_place_page_zero(MigrationIncomingState *mis, void *host, - size_t pagesize) + RAMBlock *rb) { assert(0); return -1; diff --git a/migration/postcopy-ram.h b/migration/postcopy-ram.h index 52d51e8..78a3591 100644 --- a/migration/postcopy-ram.h +++ b/migration/postcopy-ram.h @@ -72,14 +72,14 @@ void postcopy_discard_send_finish(MigrationState *ms, * returns 0 on success */ int postcopy_place_page(MigrationIncomingState *mis, void *host, void *from, - size_t pagesize); + RAMBlock *rb); /* * Place a zero page at (host) atomically * returns 0 on success */ int postcopy_place_page_zero(MigrationIncomingState *mis, void *host, - size_t pagesize); + RAMBlock *rb); /* The current postcopy state is read/set by postcopy_state_get/set * which update it atomically. diff --git a/migration/ram.c b/migration/ram.c index 1b08296..9cc1b17 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2470,10 +2470,10 @@ static int ram_load_postcopy(QEMUFile *f) if (all_zero) { ret = postcopy_place_page_zero(mis, place_dest, - block->page_size); + block); } else { ret = postcopy_place_page(mis, place_dest, - place_source, block->page_size); + place_source, block); } } if (!ret) { -- 1.8.3.1