Re: [PATCH v5] add MAP_UNLOCKED mmap flag

Chris Wright
2010-01-13T17:32:34Z

* Gleb Natapov (gleb@redhat.com) wrote:
> If application does mlockall(MCL_FUTURE) it is no longer possible to mmap
> file bigger than main memory or allocate big area of anonymous memory
> in a thread safe manner. Sometimes it is desirable to lock everything
> related to program execution into memory, but still be able to mmap
> big file or allocate huge amount of memory and allow OS to swap them on
> demand. MAP_UNLOCKED allows to do that.
>
> Signed-off-by: Gleb Natapov <gleb@redhat.com>

Looks good to me.

Acked-by: Chris Wright <chrisw@sous-sol.org>

thanks,
-chris