On 01/26/2012 05:57 PM, Paul Walmsley wrote:
You just throw away best_buf here, don't you?
You're right. It's even worse than that. best_buf will contain the data
from the last compressor used. And it will be prematurely freed. Here's
a fixed version.
I've tested this version for a while now with the same result as before.
No oopses, no spinlock violations. I copied a 2MB file from the SD/MMC
partition to the two JFFS2 partitions and md5summ'ed it a bunch of
times. After that I unmounted and remounted both partitions.
I do see a steady memory usage increase when doing continuous testing,
but whether that's normal I don't know. I see at least some of it being
reclaimed when unmounting the JFFS2 partitions (grep jffs2 /proc/slabinfo).
--
Orjan Friberg
FlatFrog Laboratories AB
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