Re: [RFC PATCH 3/3] mm/map_contig: Add mmap(MAP_CONTIG) support

[Michal Hocko]

On Mon 16-10-17 11:54:47, Pavel Machek wrote:
> On Mon 2017-10-16 10:18:04, Michal Hocko wrote:
> > On Sun 15-10-17 08:58:56, Pavel Machek wrote:
[...]
> > > So you'd suggest using ioctl() for allocating memory?
> > 
> > Why not using standard mmap on the device fd?
> 
> No, sorry, that's something very different work, right? Lets say I
> have a disk, and I'd like to write to it, using continguous memory for
> performance.
> 
> So I mmap(MAP_CONTIG) 1GB working of working memory, prefer some data
> structures there, maybe recieve from network, then decide to write
> some and not write some other.

Why would you want this?
-- 
Michal Hocko
SUSE Labs