[Linaro-mm-sig] Memory Management Discussion

[Jesse Barnes]

On Thu, 21 Apr 2011 16:09:46 +0100
Tom Cooksey <Tom.Cooksey at arm.com> wrote:

> > Client apps also have to worry about the fd count, since depending on
> > the app and object caching policy it's very easy to get over 1024
> > objects.  But the solutions above may work for that case as well; I
> > don't expect many apps rely on select(), and those that do can fairly
> > easily be converted.  
> 
> Though presumably not if you only have an fd for buffers you want to
> share with another process or device? I think the common case is you
> don't want to share a texture or command buffer or whatever with
> another process, so most of the objects don't need an fd?

Oh sure, if you don't actually allocate fds for the objects, then
there's no issue.  But I think the ION proposal created fds for mapped
objects as well?  That count could get pretty high...

-- 
Jesse Barnes, Intel Open Source Technology Center