From: Sanjay Kumar <sankumar73@yahoo.com>
To: linux-mm@kvack.org
Subject: memory reclaiming problem in 2.4.2
Date: Thu, 10 Oct 2002 09:22:11 -0700 (PDT) [thread overview]
Message-ID: <20021010162211.15705.qmail@web40502.mail.yahoo.com> (raw)
Hi,
We are running applications on linux2.4.2 on our embedded box; Linux is being
given around 8.25 MB of memory. At run time we are trying to get
free memory by killing some of the applications. But even after killing the
process, the free memory is not getting freed completely, instead it is getting
locked in form of inactive dirty pages and cache.
Following is the dump of meminfo:
# cat /proc/meminfo
total: used: free: shared: buffers: cached:
Mem: 6447104 4931584 1515520 0 40960 2486272
Swap: 0 0 0
MemTotal: 6296 kB
MemFree: 1480 kB
MemShared: 0 kB
Buffers: 40 kB
Cached: 2428 kB
Active: 1696 kB
Inact_dirty: 504 kB
Inact_clean: 268 kB
Inact_target: 0 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 6296 kB
LowFree: 1480 kB
SwapTotal: 0 kB
SwapFree: 0 kB
>From user space we need to allocate a huge memory space of 3.5 MB; however
allocation more than 2.5 MB fails.
We wanted to know is there is some way to reclaim these dirty pages?
There is a page laundering patch by Rik for 2.4.6; will this be useful for us?
Thanks and Regards,
Sanjay
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next reply other threads:[~2002-10-10 16:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-10 16:22 Sanjay Kumar [this message]
2002-10-10 16:39 ` Arjan van de Ven
2002-10-11 6:01 ` Sanjay Kumar
2002-10-14 10:57 ` Arjan van de Ven
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