Hi Minchan, On Wed, Aug 24, 2016 at 9:04 AM, Minchan Kim <minc...@kernel.org> wrote: > Hi Hui, > > On Mon, Aug 22, 2016 at 04:25:05PM +0800, Hui Zhu wrote: >> Current ZRAM just can store all pages even if the compression rate >> of a page is really low. So the compression rate of ZRAM is out of >> control when it is running. >> In my part, I did some test and record with ZRAM. The compression rate >> is about 40%. >> >> This series of patches make ZRAM can just store the page that the >> compressed size is smaller than a value. >> With these patches, I set the value to 2048 and did the same test with >> before. The compression rate is about 20%. The times of lowmemorykiller >> also decreased. > > I have an interest about the feature for a long time but didn't work on it > because I didn't have a good idea to implment it with generic approach > without layer violation. I will look into this after handling urgent works. > > Thanks.
That will be great. Thanks. Best, Hui