linux-kernel - Re: VM - a plenty of inactive memory

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Date:	Wed, 9 Apr 2008 22:05:07 +0200
From:	"Andreas Grimm" <agrimm61@...il.com>
To:	"Johannes Weiner" <hannes@...urebad.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: VM - a plenty of inactive memory

Hi Johnannes,

of course:
MemTotal:     33265916 kB
MemFree:        438764 kB
Buffers:         98544 kB
Cached:        1837180 kB
SwapCached:          0 kB
Active:        7086300 kB
Inactive:     25168628 kB
HighTotal:    32631216 kB
HighFree:       429252 kB
LowTotal:       634700 kB
LowFree:          9512 kB
SwapTotal:     2104504 kB
SwapFree:      2104504 kB
Dirty:           14480 kB
Writeback:           0 kB
Mapped:         515524 kB
Slab:           506636 kB
CommitLimit:  18737460 kB
Committed_AS: 16388640 kB
PageTables:      37036 kB
VmallocTotal:   112632 kB
VmallocUsed:     15024 kB
VmallocChunk:    95268 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Here the meminfo from a "normal" system, nearly same amount of users,
and stress, but only 16GB of ram:

MemTotal:     16619808 kB
MemFree:       5497672 kB
Buffers:        422592 kB
Cached:        7018072 kB
SwapCached:          0 kB
Active:        8769608 kB
Inactive:      1979508 kB
HighTotal:    15854036 kB
HighFree:      5484136 kB
LowTotal:       765772 kB
LowFree:         13536 kB
SwapTotal:     4200988 kB
SwapFree:      4200828 kB
Dirty:           16956 kB
Writeback:           0 kB
Mapped:         864284 kB
Slab:           309456 kB
CommitLimit:  12510892 kB
Committed_AS: 14933584 kB
PageTables:      33248 kB
VmallocTotal:   112632 kB
VmallocUsed:      9980 kB
VmallocChunk:   102480 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Thanks,
Andreas

2008/4/9, Johannes Weiner <hannes@...urebad.de>:
> Hi,
>
>  "Andreas Grimm" <agrimm61@...il.com> writes:
>
>
> > Hi Kosaki,
>  >
>  >>  # echo 3 > /proc/sys/vm/drop_caches
>  >>
>  > that frees exactly the 1,5Gigs in the buffers and the cache. Inactive
>  > memory is still at 25GB.
>  > Any other hint?
>
>
> Could you supply the rest of /proc/meminfo?
>
>         Hannes
>
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