On Tuesday 14 June 2011 18:58:35 Michal Nazarewicz wrote:

quoted

Is having support for multiple regions a bad thing?  Frankly,
removing this support will change code from reading context passed
as argument to code reading context from global variable.  Nothing
is gained; functionality is lost.

On Tue, 14 Jun 2011 20:30:07 +0200, Arnd Bergmann wrote:

What is bad IMHO is making them the default, which forces the board
code to care about memory management details. I would much prefer
to have contiguous allocation parameters tuned automatically to just
work on most boards before we add ways to do board-specific hacks.

I see those as orthogonal problems.  The code can have support for
multiple contexts but by default use a single global context exported
as cma_global variable (or some such).

And I'm not arguing against having ?contiguous allocation parameters
tuned automatically to just work on most boards?.  I just don't see
the reason to delete functionality that is already there, does not
add much code and can be useful.

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