Messages in this thread | | | Date | Tue, 3 Mar 2015 14:01:41 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH 2/8] zram: use idr instead of `zram_devices' array |
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On Tue, 3 Mar 2015 21:49:44 +0900 Sergey Senozhatsky <sergey.senozhatsky@gmail.com> wrote:
> This patch makes some preparations for dynamic device ADD/REMOVE functionality > via /dev/zram-control interface. > > Remove `zram_devices' array and switch to id-to-pointer translation (idr). > idr doesn't bloat zram struct with additional members, f.e. list_head, yet > still provides ability to match the device_id with the device pointer. > No user-space visible changes. > > ... > > +static DEFINE_IDR(zram_index_idr);
There is no locking protecting this idr?
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