Re: [PATCH] drivers: base: new memory config sysfs driver for largememory systems
From: Seth Jennings
Date: Tue Jul 30 2013 - 11:23:51 EST
On Thu, Jul 25, 2013 at 04:40:07PM -0700, Greg Kroah-Hartman wrote:
> On Thu, Jul 25, 2013 at 04:11:20PM -0500, Seth Jennings wrote:
> > +#define MEMFS_CLASS_NAME "memoryfs"
> One question, a "*fs" name in the kernel usually implies it is a
> separate filesystem, which this isn't at all, it's just a "normal"
> class/subsystem in the kernel. So how about "memory" instead?
"memory" is the name used by the current sysfs memory layout code in
drivers/base/memory.c. So it can't be the same unless we are going to
create a toggle a boot time to select between the models, which is
something I am looking to add if this code/design is acceptable to
The design is that people with large memory systems would pass a boot
parameter that selects this alternate layout, so that the majority
of non-large-memory users and any userspace programs that depend on the
old layout would be unaffected.
In the meantime, the name "memfs" was chosen for the RFC so that people
could compile and run the new model concurrently with the current model.
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