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authorJuan Quintela <quintela@redhat.com>2013-10-08 16:14:39 +0200
committerJuan Quintela <quintela@redhat.com>2014-01-13 14:04:54 +0100
commit1ab4c8ceaa5ec55af9bb25e88e46d461a8550280 (patch)
tree7ea5e847c02536ef92297e3f28b2d9c0bd6c8426 /exec.c
parent164590a60fd685399da259ac41b338d9a0b9d6c0 (diff)
downloadqemu-arm-1ab4c8ceaa5ec55af9bb25e88e46d461a8550280.tar.gz
memory: split dirty bitmap into three
After all the previous patches, spliting the bitmap gets direct. Note: For some reason, I have to move DIRTY_MEMORY_* definitions to the beginning of memory.h to make compilation work. Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Diffstat (limited to 'exec.c')
-rw-r--r--exec.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/exec.c b/exec.c
index db369dc42f..028eee4f59 100644
--- a/exec.c
+++ b/exec.c
@@ -1277,9 +1277,12 @@ ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
new_ram_size = last_ram_offset() >> TARGET_PAGE_BITS;
if (new_ram_size > old_ram_size) {
- ram_list.phys_dirty = g_realloc(ram_list.phys_dirty, new_ram_size);
- memset(ram_list.phys_dirty + (new_block->offset >> TARGET_PAGE_BITS),
- 0, size >> TARGET_PAGE_BITS);
+ int i;
+ for (i = 0; i < DIRTY_MEMORY_NUM; i++) {
+ ram_list.dirty_memory[i] =
+ bitmap_zero_extend(ram_list.dirty_memory[i],
+ old_ram_size, new_ram_size);
+ }
}
cpu_physical_memory_set_dirty_range(new_block->offset, size);