On (12/05/16 13:57), Greg KH wrote:
> > +/*
> > + * NOTE: hot_add attribute is not the usual read-only sysfs
> > + * attribute. In a sence that reading from this file does alter
> > + * the state of your system -- it creates a new un-initialized
> > + * zram device and returns back this device's de
On Sun, Dec 04, 2016 at 09:44:13PM +0900, Sergey Senozhatsky wrote:
> zram hot_add sysfs attribute is a very 'special' attribute - reading
> from it creates a new uninitialized zram device. This file, by a mistake,
> can be read by a 'normal' user at the moment, while only root must be
> able to cr
zram hot_add sysfs attribute is a very 'special' attribute - reading
from it creates a new uninitialized zram device. This file, by a mistake,
can be read by a 'normal' user at the moment, while only root must be
able to create a new zram device, therefore hot_add attribute must have
S_IRUSR mode,
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