NetBSD-Bugs archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

re: port-amd64/52679: amd64 pmap page leak?



The following reply was made to PR port-amd64/52679; it has been noted by GNATS.

From: Paul Goyette <paul%whooppee.com@localhost>
To: matthew green <mrg%eterna.com.au@localhost>
Cc: gnats-bugs%NetBSD.org@localhost, port-amd64-maintainer%netbsd.org@localhost, 
    gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost, dholland%NetBSD.org@localhost
Subject: re: port-amd64/52679: amd64 pmap page leak?
Date: Sat, 4 Nov 2017 11:35:34 +0800 (+08)

 On Sat, 4 Nov 2017, matthew green wrote:
 
 >>  Just one more data-point...
 >>
 >>  On my amd64 8.99.3 system (with 128GB RAM), my discrepancy is > 8%
 >>
 >>        4096 bytes per page
 >>           8 page colors
 >>    32572896 pages managed
 >>    20457781 pages free
 >>     9365903 pages active
 >>       34169 pages inactive
 >>           0 pages paging
 >>       19572 pages wired
 >>    12383934 zero pages
 >>
 >>  free+active+inactive+paging+wired = 29877425, which is only 91.7% of
 >>  managed pages...
 >
 > how much does vmstat -m say is used total?  does that account for
 > most of the remaining?
 
 vmstat -m reported 9GB, which is more than what's missing above.
 
 
 +------------------+--------------------------+----------------------------+
 | Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:          |
 | (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee dot com   |
 | Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd dot org |
 +------------------+--------------------------+----------------------------+
 


Home | Main Index | Thread Index | Old Index