Re: [RFC][PATCH 1/5] libdrm: Use mmap64 instead of __mmap2

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On Sat, 20 Apr 2019 at 05:25, John Stultz <john.stultz@xxxxxxxxxx> wrote:
>
> From: Sean Paul <seanpaul@xxxxxxxxxxxx>
>
> __mmap2 isn't supported on all platforms, mmap64 is the right way
> to do this in android.
>
> Also folds in a fix from Stéphane Marchesin <marcheu@xxxxxxxxxxxx>
> to use an offset in bytes not pages, as that's what mmap64 takes.
>
> Cc: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> Cc: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Cc: Alistair Strachan <astrachan@xxxxxxxxxx>
> Cc: Marissa Wall <marissaw@xxxxxxxxxx>
> Signed-off-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
> ---
>  libdrm_macros.h | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
>From a quick look mmap64 was introduced in bionic with Andoid 5 (Lollipop).
A reasonable min. version although we're lacking a check.

As a separate commit, copy the PLATFORM_VERSION hunk (or equiv.) from
Mesa's Android.mk.
Here I'd add a note "introduced with Android L which we require as of
earlier commit" and drop the bytes/pages mention.

With that this patch is:
Reviewed-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>

-Emil
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