Because bloatware and OOM killer? On Fri, Oct 12, 2018 at 6:03 PM Fred Gleason <fredg at paravelsystems.com> wrote: > On Oct 12, 2018, at 12:25, Gordan Bobic <gordan at redsleeve.org> wrote: > > Because swapping to SD card is slow, swapping to zram is fast, and zram > only takes about 1/2 of the RAM that it provides. > It's basically RAM compression. > It works and makes a positive difference, even without exceedingly slow > storage. > > > Right, but that begs a larger question: why swap *at all*? The whole point > of virtual memory in the first place was as a performance hack to allow the > processor to see a larger memory space than can be accommodated by core RAM > alone. For certain workloads, in situations where one has a mass storage > device upon which to place the swapped memory pages, this makes sense; but > when the ‘storage device’ is the very core RAM that one is attempting to > ‘extend’, it becomes a completely self-defeating exercise; complexity for > the sake of complexity. > > Cheers! > > > |----------------------------------------------------------------------| > | Frederick F. Gleason, Jr. | Chief Developer | > | | Paravel Systems | > |----------------------------------------------------------------------| > | An expert is a person who avoids the small errors while he sweeps | > | on to the grand fallacy. | > | -- Benjamin Stolberg | > |----------------------------------------------------------------------| > _______________________________________________ > Arm-dev mailing list > Arm-dev at centos.org > https://lists.centos.org/mailman/listinfo/arm-dev > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/arm-dev/attachments/20181012/b9da7b0f/attachment-0006.html>