Message ID | 1425893258-12524-1-git-send-email-zhang.zhanghailiang@huawei.com |
---|---|
State | New |
Headers | show |
* zhanghailiang (zhang.zhanghailiang@huawei.com) wrote: > There is already a helper function ram_bytes_total(), we can use it to > help counting the total number of pages used by ram blocks. > > Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> > --- > arch_init.c | 8 +------- > 1 file changed, 1 insertion(+), 7 deletions(-) > > diff --git a/arch_init.c b/arch_init.c > index 691b5e2..b22e38e 100644 > --- a/arch_init.c > +++ b/arch_init.c > @@ -845,13 +845,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque) > * Count the total number of pages used by ram blocks not including any > * gaps due to alignment or unplugs. > */ > - migration_dirty_pages = 0; > - QLIST_FOREACH_RCU(block, &ram_list.blocks, next) { > - uint64_t block_pages; > - > - block_pages = block->used_length >> TARGET_PAGE_BITS; > - migration_dirty_pages += block_pages; > - } > + migration_dirty_pages = ram_bytes_total() >> TARGET_PAGE_BITS; Yes, I think Markus had suggested something similar when I did the original fix. Thanks, Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> > > memory_global_dirty_log_start(); > migration_bitmap_sync(); > -- > 1.7.12.4 > > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
zhanghailiang <zhang.zhanghailiang@huawei.com> wrote: > There is already a helper function ram_bytes_total(), we can use it to > help counting the total number of pages used by ram blocks. > > Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> Applied, thanks.
diff --git a/arch_init.c b/arch_init.c index 691b5e2..b22e38e 100644 --- a/arch_init.c +++ b/arch_init.c @@ -845,13 +845,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque) * Count the total number of pages used by ram blocks not including any * gaps due to alignment or unplugs. */ - migration_dirty_pages = 0; - QLIST_FOREACH_RCU(block, &ram_list.blocks, next) { - uint64_t block_pages; - - block_pages = block->used_length >> TARGET_PAGE_BITS; - migration_dirty_pages += block_pages; - } + migration_dirty_pages = ram_bytes_total() >> TARGET_PAGE_BITS; memory_global_dirty_log_start(); migration_bitmap_sync();
There is already a helper function ram_bytes_total(), we can use it to help counting the total number of pages used by ram blocks. Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com> --- arch_init.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-)