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    SubjectRe: Allow setting of number of raw devices as a module parameter
    On Fri, Apr 29, 2011 at 05:07:04PM -0700, Greg KH wrote:
    > On Fri, Apr 29, 2011 at 04:28:17PM -0700, Andrew Morton wrote:
    > > On Fri, 29 Apr 2011 00:24:29 +0200
    > > Jan Kara <jack@suse.cz> wrote:
    > >
    > > > Allow setting of maximal number of raw devices as a module parameter. This
    > > > requires changing of static array into a vmalloced one (the array is going to
    > > > be too large for kmalloc).
    > > >
    > >
    > > Changelog failed to describe why the patch is needed. Lacking that
    > > information, we have no reason to apply it.
    >
    > Good point, how about:
    > People like running their machines with thousands of raw
    > devices, yet distros don't want to take up that much memory for
    > all users. Provide a way for everyone to be happy without
    > forcing the module to be rebuilt by providing the ability to
    > specify the number of raw devices as a module parameter option.

    I remember when this was made a config option, thinking "8192 raw devices?
    who would need that many?". I have to wonder just how someone manages
    a system with an insane number of these devices.

    Dave



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