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Old 31st July 2012, 01:25 PM
Valent Offline
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Join Date: May 2004
Location: Osijek, Croatia
Age: 38
Posts: 343
Unhappy issue with zram module (better performace with compessing swap in ram)

Hi guys,
I just found out that there is this awesome zram module for compressing swap in memory...

for ones who don't know what zram is please read this article:

I got this error when loading zram module from rpmfusion on 64 bit Fedora 17:

modprobe zram
FATAL: Error inserting zram
(/lib/modules/3.4.6-1.fc16.x86_64/extra/staging/zram.ko): Unknown
symbol in module, or unknown parameter (see dmesg)

[20670.805900] zsmalloc: Unknown symbol alloc_vm_area (err 0)
[20670.805932] zsmalloc: Unknown symbol free_vm_area (err 0)
[20670.805959] zsmalloc: Unknown symbol __supported_pte_mask (err 0)

I tried loading zram module my other laptop that uses 32bit Fedora 17, and it is same issue.
I'm not sure if this is an issue with the zram source code or some packaging issue.

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Old 31st July 2012, 02:03 PM
Posts: n/a
Re: issue with zram module (better performace with compessing swap in ram)

The code is broken

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compessing, module, performace, ram, swap, zram

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