From: Vincent Li <vincent.mc.li@gmail.com>
To: Linux-MM <linux-mm@kvack.org>
Subject: Newbie question about 2.4.21 kernel /proc/meminfo caculation
Date: Tue, 11 May 2010 21:54:23 -0700 [thread overview]
Message-ID: <AANLkTinkQLObl8EVFtlLyqVHF-q_cZNnDUumdmQjmBLx@mail.gmail.com> (raw)
I am running an old kernel 2.4.21, I am curious how each items add up
to the MemTotal or any simple addition math in them?
for example:
# cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 1049841664 1024647168 25194496 0 31010816 163115008
Swap: 2371338240 26906624 2344431616
MemTotal: 1025236 kB
MemFree: 24604 kB
MemShared: 0 kB
Committed: 257936 kB
Buffers: 30284 kB
Cached: 148412 kB
SwapCached: 10880 kB
Active: 276704 kB
ActiveAnon: 164016 kB
ActiveCache: 112688 kB
Inact_dirty: 37688 kB
Inact_laundry: 15400 kB
Inact_clean: 14888 kB
Inact_target: 68936 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 1025236 kB
LowFree: 24604 kB
SwapTotal: 2315760 kB
SwapFree: 2289484 kB
CommitLimit: 2828376 kB
Committed_AS: 257936 kB
HugePages_Total: 154
HugePages_Free: 0
Hugepagesize: 4096 kB
I found that Inact_target = Inact_dirty + Inact_laundry + Inact_clean, but
MemTotal = MemFree + Buffers + Cached + Active + Inact_target +
CommitLimted_AS + ?
Tried to dig into 2.4.21 kernel source code, have not be able to find
those memory data caculations, any pointer would be greatly
appreciated!
Thanks
Vincent Li
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
reply other threads:[~2010-05-12 4:54 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=AANLkTinkQLObl8EVFtlLyqVHF-q_cZNnDUumdmQjmBLx@mail.gmail.com \
--to=vincent.mc.li@gmail.com \
--cc=linux-mm@kvack.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox