Hi
On Mon, Jun 2, 2014 at 12:59 PM, Hugh Dickins wrote:
> On Fri, 23 May 2014, David Herrmann wrote:
>> On Tue, May 20, 2014 at 4:20 AM, Hugh Dickins wrote:
>> > But this does highlight how the "size" arg to memfd_create() is
>> > perhaps redundant. Why give a size there, when size can be chang
On Mon, Jun 2, 2014 at 3:59 AM, Hugh Dickins wrote:
> On Fri, 23 May 2014, David Herrmann wrote:
>> On Tue, May 20, 2014 at 4:20 AM, Hugh Dickins wrote:
>> >
>> > What is a front-FD?
>>
>> With 'front-FD' I refer to things like dma-buf: They allocate a
>> file-descriptor which is just a wrapper a
On Fri, 23 May 2014, David Herrmann wrote:
> On Tue, May 20, 2014 at 4:20 AM, Hugh Dickins wrote:
> >
> > What is a front-FD?
>
> With 'front-FD' I refer to things like dma-buf: They allocate a
> file-descriptor which is just a wrapper around a kernel-internal FD.
> For instance, DRM-gem buffers
Hi
On Tue, May 20, 2014 at 4:20 AM, Hugh Dickins wrote:
> On Tue, 15 Apr 2014, David Herrmann wrote:
>
>> memfd_create() is similar to mmap(MAP_ANON), but returns a file-descriptor
>> that you can pass to mmap(). It can support sealing and avoids any
>> connection to user-visible mount-points. Th
On Tue, Apr 15, 2014 at 10:38 PM, David Herrmann wrote:
> memfd_create() is similar to mmap(MAP_ANON), but returns a file-descriptor
> that you can pass to mmap(). It can support sealing and avoids any
> connection to user-visible mount-points. Thus, it's not subject to quotas
> on mounted file-sy
On Tue, 15 Apr 2014, David Herrmann wrote:
> memfd_create() is similar to mmap(MAP_ANON), but returns a file-descriptor
> that you can pass to mmap(). It can support sealing and avoids any
> connection to user-visible mount-points. Thus, it's not subject to quotas
> on mounted file-systems, but ca
memfd_create() is similar to mmap(MAP_ANON), but returns a file-descriptor
that you can pass to mmap(). It can support sealing and avoids any
connection to user-visible mount-points. Thus, it's not subject to quotas
on mounted file-systems, but can be used like malloc()'ed memory, but
with a file-d
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