Awesome, thanks for the info! On Wed, Nov 20, 2019 at 1:50 AM Valdis Klētnieks <valdis.kletnieks@xxxxxx> wrote: > > On Tue, 19 Nov 2019 17:03:37 +0530, Akash Sarda said: > > Hi, > > > > My name is Akash, and I want to start with OS development.. > > I am interested in memory management, and would like to know if anyone > > has a newbie project in their mind.. > > Unfortunately, there's probably not much good newbie work in memory management, > because a whole lot of experts have already gone over it and make it work > reasonably well on *literally* everything from light bulbs to supercomputers. > > I'm not saying there's nothing in there for a newbie to do. There's probably > still tons of minor enhancements that can be done, but they're going to require > that you actually understand the code at a fairly deep level. For example, > here's a recent commit: > > commit abc04c84ae77fdbce2c42c52e4059d327e54c7ab > Author: Minchan Kim <minchan@xxxxxxxxxx> > Date: Wed Nov 6 16:06:48 2019 +1100 > > mm/page_io.c: annotate refault stalls from swap_readpage > > If a block device supports rw_page operation, it doesn't submit bios so > the annotation in submit_bio() for refault stall doesn't work. It happens > with zram in android, especially swap read path which could consume CPU > cycle for decompress. It is also a problem for zswap which uses > frontswap. > > Annotate swap_readpage() to account the synchronous IO overhead to prevent > underreport memory pressure. > > The description of what was changed and why runs to just under 500 characters, > while the actual change is well under 200. > > I'm assuming you've already cloned either Linus's git tree or one or more of > the development trees. If so, you can do a 'git log mm/' and see what work > has been recently done, so you know what sort of learning curve you're > going to have. > > You definitely need to read the various files under Documentation/process > and you probably should go read this as well: > > https://lists.kernelnewbies.org/pipermail/kernelnewbies/2017-April/017765.html _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
