On 10/17/2017 12:49 AM, Bart Van Assche wrote:

Many kernel drivers contain code that allocates and frees both a
scatterlist and the pages that populate that scatterlist.
Introduce functions in lib/scatterlist.c that perform these tasks
instead of duplicating this functionality in multiple drivers.
Only include these functions in the build if CONFIG_SGL_ALLOC=y
to avoid that the kernel size increases if this functionality is
not used.

Signed-off-by: Bart Van Assche <redacted>
---
 include/linux/scatterlist.h |  10 +++++
 lib/Kconfig                 |   4 ++
 lib/scatterlist.c           | 105 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 119 insertions(+)

Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
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