[PATCH] image and bss size decrease

Juergen Beisert jbe at pengutronix.de
Mon Mar 11 05:08:29 EDT 2013

Hi Sascha,

Sascha Hauer wrote:
> [...]
> Also we make the bss smaller by allocating the FILE table and
> the gpio_desc table dynamically. The bss size is may become
> a problem on boards which run from SRAM. Here the malloc pool
> is in the big SDRAM area, but the bss is in SRAM, so it makes
> sense to move the big tables from bss to SDRAM by using malloc.

It would also be possible to instruct the linker to locate the BSS in the big 
SDRAM area. But that might interfere with very running early code using 
variables in BSS while the SDRAM isn't up and running yet.


Pengutronix e.K.                              | Juergen Beisert             |
Linux Solutions for Science and Industry      | http://www.pengutronix.de/  |

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