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

From: Boaz Harrosh
Date: Thu Sep 03 2015 - 02:41:48 EST


On 09/02/2015 07:19 PM, Dave Hansen wrote:
> 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?
>

Ha? I have not seen a new mmap flag from Ross, yet I have been off lately
so it is logical that I might have missed it.

Could you send me a link?

(BTW my patch I did not release yet, I'll cc you once its done)

Thanks
Boaz

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/