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

[Christopher Lameter]

On Mon, 16 Oct 2017, Michal Hocko wrote:

> > 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?

Because we are receiving a 1GB block of data and then wan to write it to
disk. Maybe we want to modify things a bit and may not write all that we
received.