BSD 8.1 and 9.1 memory increase

[Gumpula, Suresh]

Ok thanks!. I just booted up a machine with and without the change. And
after an hour or so, looked at top output.

Thanks
Suresh

On 4/1/15, 2:52 PM, "Meyer, Conrad" <conrad.meyer at isilon.com> wrote:

>From: Gumpula, Suresh [Suresh.Gumpula at netapp.com]
>Sent: Wednesday, April 01, 2015 11:42 AM
>To: Gumpula, Suresh; Meyer, Conrad; Garrett Cooper
>Cc: freebsd-hackers at freebsd.org; alc at freebsd.org
>Subject: Re: BSD 8.1 and 9.1 memory increase
>
>I just tried the change you mentioned on unmapping unused entries , and
>appears this saves good amount of real memory.  On my idle machine it
>shows ~20M +  real memory savings. Specifically the inactive/wired pages
>dropped down.
>https://reviews.freebsd.org/D1263
>
>And also drastic VSS size down for most of the processes.    Is this
>incomplete or Can I take this change  ?
>
>Thanks
>Suresh
>
>________________________________________
>
>Hi,
>
>The criticisms in the comments on that review are still perfectly valid.
>I would not use the patch as-is.
>
>It is surprising that you see rsz reductions with it. I think it's
>probably an apples-to-oranges comparison and the application(s) have not
>been warmed up yet.
>
>Best,
>Conrad