Messages in this thread | | | Date | Wed, 13 Jul 2011 20:25:33 -0700 | From | Nitin Gupta <> | Subject | Re: [PATCH 3/4] Staging: zram: allow partial page operations |
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On 06/10/2011 06:28 AM, Jerome Marchand wrote: > Commit 7b19b8d45b216ff3186f066b31937bdbde066f08 (zram: Prevent overflow > in logical block size) introduced ZRAM_LOGICAL_BLOCK_SIZE constant to > prevent overflow of logical block size on 64k page kernel. > However, the current implementation of zram only allow operation on block > of the same size as a page. That makes theorically legit 4k requests fail > on 64k page kernel. > > This patch makes zram allow operation on partial pages. Basically, it > means we still do operations on full pages internally, but only copy the > relevent segments from/to the user memory. > > Signed-off-by: Jerome Marchand<jmarchan@redhat.com>
Acked-by: Nitin Gupta <ngupta@vflare.org>
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