On Tue 03-07-18 10:11:11, Jia He wrote: > On 7/2/2018 7:40 PM, Michal Hocko Wrote: [...] > > So this is 13ms saving when booting 96G machine. Is this really worth > > the additional code? Are there any other benefits? > Sorry, Michal > I missed one thing. > This 13ms optimization is merely the result of my patch 3~6 > Patch 1 is originated by Paul Burton in commit b92df1de5d289. > In its description, > === > James said "I have tested this patch on a virtual model of a Samurai CPU > with a sparse memory map. The kernel boot time drops from 109 to > 62 seconds. " > === Those numbers should be in the changelog. -- Michal Hocko SUSE Labs
