Ramzez 0.0.2, compcache manager - Page 6 - maemo.org

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mrp	2009-10-04 , 10:09
Posts: 356 \| Thanked: 38 times \| Joined on Nov 2005 @ Finland	#51

dmesg | tail
[66161.443237] hwa742: setting update mode to manual
[66161.443298] omapfb_notifier_cb(): event = READY
[66170.687774] ramzswap: Unknown symbol xv_destroy_pool
[66170.688781] ramzswap: Unknown symbol lzo1x_decompress_safe
[66170.689605] ramzswap: Unknown symbol lzo1x_1_compress
[66170.691986] ramzswap: Unknown symbol xv_get_total_size_bytes
[66170.694793] ramzswap: Unknown symbol xv_create_pool
[66170.697326] ramzswap: Unknown symbol xv_malloc
[66170.698425] ramzswap: Unknown symbol xv_free
[66170.699218] ramzswap: Unknown symbol xv_get_object_size

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	locusf	2009-10-04 , 10:24
	Posts: 159 \| Thanked: 341 times \| Joined on Dec 2007 @ Helsinki, Finland	#52

Originally Posted by mrp

dmesg | tail
[66161.443237] hwa742: setting update mode to manual
[66161.443298] omapfb_notifier_cb(): event = READY
[66170.687774] ramzswap: Unknown symbol xv_destroy_pool
[66170.688781] ramzswap: Unknown symbol lzo1x_decompress_safe
[66170.689605] ramzswap: Unknown symbol lzo1x_1_compress
[66170.691986] ramzswap: Unknown symbol xv_get_total_size_bytes
[66170.694793] ramzswap: Unknown symbol xv_create_pool
[66170.697326] ramzswap: Unknown symbol xv_malloc
[66170.698425] ramzswap: Unknown symbol xv_free
[66170.699218] ramzswap: Unknown symbol xv_get_object_size

Hmm ok, you insmodded the ramzswap module before insmodding xvmalloc.ko. So that creates the xv_* unknown symbols. But the lzo1x_* symbols are not available on the kernel, I'll compile them and post them here.

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	locusf	2009-10-04 , 10:27
	Posts: 159 \| Thanked: 341 times \| Joined on Dec 2007 @ Helsinki, Finland	#53

Here, untar this lzo.tar and then run:

Code:

insmod lzo1x_compress.ko
insmod lzo1x_decompress.ko
insmod xvmalloc.ko
insmod ramzswap.ko

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mrp	2009-10-04 , 13:03
Posts: 356 \| Thanked: 38 times \| Joined on Nov 2005 @ Finland	#54

insmods successfull and /dev/ramzwap0 active, sixe 15536! What should I do next? Thank you so far

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	locusf	2009-10-04 , 13:08
	Posts: 159 \| Thanked: 341 times \| Joined on Dec 2007 @ Helsinki, Finland	#55

Originally Posted by mrp

insmods successfull and /dev/ramzwap0 active, sixe 15536! What should I do next? Thank you so far

Code:

swapon /dev/ramzswap0

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mrp	2009-10-04 , 13:17
Posts: 356 \| Thanked: 38 times \| Joined on Nov 2005 @ Finland	#56

done. Any settings to make this ready at reboot (simple instructions)?

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	locusf	2009-10-04 , 13:19
	Posts: 159 \| Thanked: 341 times \| Joined on Dec 2007 @ Helsinki, Finland	#57

Originally Posted by mrp

done. Any settings to make this ready at reboot (simple instructions)?

Just add the insmod and swapon stanzas to /etc/init.d/ramzez. Replace the existing stanzas.

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mrp	2009-10-05 , 05:43
Posts: 356 \| Thanked: 38 times \| Joined on Nov 2005 @ Finland	#58

ok, now I have a 15MB ramz. Is it ok to keep the mmc-swap alongside with ramz?

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Thesandlord	2009-10-05 , 06:16
Posts: 1,213 \| Thanked: 356 times \| Joined on Jan 2008 @ California and Virginia	#59

would this decrease battery life in any way because of the increased CPU usage?

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lma	2009-10-05 , 06:38
Posts: 2,802 \| Thanked: 4,491 times \| Joined on Nov 2007	#60

Originally Posted by Thesandlord

would this decrease battery life in any way because of the increased CPU usage?

I don't have any hard numbers, but my guess is that battery life should be about the same or perhaps even slightly better. On the one hand you use the CPU a bit more, but on the other you don't have to write to a flash device for swap. Consider also that paging happens when a process is actually doing something, ie the CPU is already awake for other reasons.