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author | Juan Quintela <quintela@redhat.com> | 2012-06-22 15:21:07 +0200 |
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committer | Juan Quintela <quintela@redhat.com> | 2012-06-29 13:31:07 +0200 |
commit | 45f33f01f359d6028ec4b4018a2bf2ff53806e11 (patch) | |
tree | 1349fd5ada2a86bfa51df5fd8c9c9da5abbe95ea /arch_init.c | |
parent | 1720aeee72888f80b974c33b6eb39922a0bea992 (diff) | |
download | qemu-45f33f01f359d6028ec4b4018a2bf2ff53806e11.zip qemu-45f33f01f359d6028ec4b4018a2bf2ff53806e11.tar.gz qemu-45f33f01f359d6028ec4b4018a2bf2ff53806e11.tar.bz2 |
Maintain the number of dirty pages
Calculate the number of dirty pages takes a lot on hosts with lots
of memory. Just maintain how many pages are dirty.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'arch_init.c')
-rw-r--r-- | arch_init.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/arch_init.c b/arch_init.c index 64b85fd..5b0f562 100644 --- a/arch_init.c +++ b/arch_init.c @@ -238,20 +238,7 @@ static uint64_t bytes_transferred; static ram_addr_t ram_save_remaining(void) { - RAMBlock *block; - ram_addr_t count = 0; - - QLIST_FOREACH(block, &ram_list.blocks, next) { - ram_addr_t addr; - for (addr = 0; addr < block->length; addr += TARGET_PAGE_SIZE) { - if (memory_region_get_dirty(block->mr, addr, TARGET_PAGE_SIZE, - DIRTY_MEMORY_MIGRATION)) { - count++; - } - } - } - - return count; + return ram_list.dirty_pages; } uint64_t ram_bytes_remaining(void) |