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Re: [Qemu-devel] [PATCH v2 03/10] migration: stop decompression to alloc
From: |
Peter Xu |
Subject: |
Re: [Qemu-devel] [PATCH v2 03/10] migration: stop decompression to allocate and free memory frequently |
Date: |
Thu, 29 Mar 2018 12:14:30 +0800 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Thu, Mar 29, 2018 at 11:43:07AM +0800, Xiao Guangrong wrote:
>
>
> On 03/28/2018 05:42 PM, Peter Xu wrote:
> > On Tue, Mar 27, 2018 at 05:10:36PM +0800, address@hidden wrote:
> >
> > [...]
> >
> > > +static int compress_threads_load_setup(void)
> > > +{
> > > + int i, thread_count;
> > > +
> > > + if (!migrate_use_compression()) {
> > > + return 0;
> > > + }
> > > +
> > > + thread_count = migrate_decompress_threads();
> > > + decompress_threads = g_new0(QemuThread, thread_count);
> > > + decomp_param = g_new0(DecompressParam, thread_count);
> > > + qemu_mutex_init(&decomp_done_lock);
> > > + qemu_cond_init(&decomp_done_cond);
> > > + for (i = 0; i < thread_count; i++) {
> > > + if (inflateInit(&decomp_param[i].stream) != Z_OK) {
> > > + goto exit;
> > > + }
> > > + decomp_param[i].stream.opaque = &decomp_param[i];
> >
> > Same question as the encoding patch here, otherwise looks good to me.
>
> Thanks for you pointed out, will fix.
>
> Hmm, can i treat it as your Reviewed-by for the next version?
Yes :), as long as we drop the usage of zstream.opaque and use any
existing fields.
And also for the previous patch too, since they are mostly the same.
Thanks,
--
Peter Xu
[Qemu-devel] [PATCH v2 02/10] migration: stop compression to allocate and free memory frequently, guangrong . xiao, 2018/03/28
[Qemu-devel] [PATCH v2 05/10] migration: introduce control_save_page(), guangrong . xiao, 2018/03/28
[Qemu-devel] [PATCH v2 06/10] migration: move some code ram_save_host_page, guangrong . xiao, 2018/03/28