Re: [PATCH] dax, pmem: add support for msync

From: Dave Hansen
Date: Wed Sep 02 2015 - 12:19:14 EST

On 09/02/2015 09:00 AM, Boaz Harrosh wrote:
>> > We are going to have 2-socket systems with 6TB of persistent memory in
>> > them. I think it's important to design this mechanism so that it scales
>> > to memory sizes like that and supports large mmap()s.
>> >
>> > I'm not sure the application you've seen thus far are very
>> > representative of what we want to design for.
>> >
> We have a patch pending to introduce a new mmap flag that pmem aware
> applications can set to eliminate any kind of flushing. MMAP_PMEM_AWARE.

Great! Do you have a link so that I can review it and compare it to
Ross's approach?

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at