Re: [PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages

2017-04-13 Thread Wei Wang
On 03/17/2017 05:28 AM, Andrew Morton wrote: On Thu, 16 Mar 2017 15:08:46 +0800 Wei Wang wrote: From: Liang Li This patch adds a function to provides a snapshot of the present system unused pages. An important usage of this function is to provide the unsused pages to the Live migration threa

Re: [PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages

2017-03-31 Thread Michael S. Tsirkin
On Fri, Mar 31, 2017 at 05:53:00PM +0800, Wei Wang wrote: > On 03/30/2017 01:48 AM, Michael S. Tsirkin wrote: > > On Fri, Mar 17, 2017 at 02:55:33PM +0800, Wei Wang wrote: > > > On 03/17/2017 05:28 AM, Andrew Morton wrote: > > > > On Thu, 16 Mar 2017 15:08:46 +0800 Wei Wang > > > > wrote: > > > >

Re: [PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages

2017-03-31 Thread Wei Wang
On 03/30/2017 01:48 AM, Michael S. Tsirkin wrote: On Fri, Mar 17, 2017 at 02:55:33PM +0800, Wei Wang wrote: On 03/17/2017 05:28 AM, Andrew Morton wrote: On Thu, 16 Mar 2017 15:08:46 +0800 Wei Wang wrote: From: Liang Li This patch adds a function to provides a snapshot of the present system

Re: [PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages

2017-03-29 Thread Michael S. Tsirkin
On Fri, Mar 17, 2017 at 02:55:33PM +0800, Wei Wang wrote: > On 03/17/2017 05:28 AM, Andrew Morton wrote: > > On Thu, 16 Mar 2017 15:08:46 +0800 Wei Wang wrote: > > > > > From: Liang Li > > > > > > This patch adds a function to provides a snapshot of the present system > > > unused pages. An imp

RE: [PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages

2017-03-22 Thread Wang, Wei W
Hi Andrew, Do you have any comments on my thoughts? Thanks. > On 03/17/2017 05:28 AM, Andrew Morton wrote: > > On Thu, 16 Mar 2017 15:08:46 +0800 Wei Wang > wrote: > > > >> From: Liang Li > >> > >> This patch adds a function to provides a snapshot of the present > >> system unused pages. An im

Re: [PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages

2017-03-16 Thread Wei Wang
On 03/17/2017 05:28 AM, Andrew Morton wrote: On Thu, 16 Mar 2017 15:08:46 +0800 Wei Wang wrote: From: Liang Li This patch adds a function to provides a snapshot of the present system unused pages. An important usage of this function is to provide the unsused pages to the Live migration threa

Re: [PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages

2017-03-16 Thread Michael S. Tsirkin
On Thu, Mar 16, 2017 at 03:08:46PM +0800, Wei Wang wrote: > +/* > + * The record_unused_pages() function is used to record the system unused > + * pages. The unused pages can be skipped to transfer during live migration. > + * Though the unused pages are dynamically changing, dirty page logging > +

Re: [PATCH kernel v8 3/4] mm: add inerface to offer info about unused pages

2017-03-16 Thread Andrew Morton
On Thu, 16 Mar 2017 15:08:46 +0800 Wei Wang wrote: > From: Liang Li > > This patch adds a function to provides a snapshot of the present system > unused pages. An important usage of this function is to provide the > unsused pages to the Live migration thread, which skips the transfer of > those