#14453: lantiq ar9/vr9 insmod memory leak
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Reporter: fld@… | Owner: developers
Type: defect | Status: new
Priority: high | Milestone: Chaos Calmer (trunk)
Component: kernel | Version: Trunk
Resolution: | Keywords: lantiq, ar9, vr9, xway, xrx200,
| insmod, memory leak
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Comment (by anonymous):
The patches I use can be found at
https://gist.githubusercontent.com/ecsv/222d824eb163d069820f/raw/05cb2585ed4ed4875061b7f9a7851d4b3c3a6563/311
-module_arch_freeing_init-new-hook-for-archs-before-m.patch
https://gist.githubusercontent.com/ecsv/353cffef547c6eb45675/raw/ea0bd27ab184136d31f3704f99c9ccdd02783646/312-mips_module_dealloc.patch
You have to place them in the correct generic kernel patches folder like
target/linux/generic/patches-3.18/
I have tested it with:
{{{
free -m
for i in `seq 1 100`; do
insmod /lib/modules/*/sch_htb.ko >& /dev/null
insmod /lib/modules/*/cls_fw.ko >& /dev/null
insmod /lib/modules/*/cls_u32.ko >& /dev/null
insmod /lib/modules/*/act_mirred.ko >& /dev/null
done
free -m
}}}
The lost memory (before applying the patches) with each test (100 x 4
insmods) was a little bit over 2 MB of memory. This problem seems to be
gone with the patches applied.
--
Ticket URL: <https://dev.openwrt.org/ticket/14453#comment:6>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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