[U-Boot] [RFC][PATCH] Update malloc to dlmalloc version 2.8.4

[Mike Frysinger]

On Tuesday 07 July 2009 12:30:18 Kumar Gala wrote:
> On Jul 7, 2009, at 11:27 AM, Kumar Gala wrote:
> > Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
> > ---
> > This is an attempt at using dlmalloc v2.8.4.  Its a work in
> > progress, but
> > wanted to post to see what peoples feelings are on updating.  This
> > version
> > resolves all the various warnings we see w/gcc4.4 and the older
> > version of
> > dlmalloc however the trade of is the code size has increased.
> >
> > I still need to see if we need to hand relocate the global structs
> > or not.
> >
> > This diff is just of malloc.h to see how things are cfg, and of
> > dmalloc.src vs dmalloc.c to see the changes to it.
>
> Here are some size #'s
>
> [galak at blarg u-boot-85xx]$ size u-boot
>     text	   data	    bss	    dec	    hex	filename
>   392040	  50536	  41957	 484533	  764b5	u-boot
>   397660	  49500	  42397	 489557	  77855	u-boot		(new dlmalloc)
>
> [galak at blarg u-boot-85xx]$ size common/dlmalloc.o
>     text	   data	    bss	    dec	    hex	filename
>     4768	   1056	     56	   5880	   16f8	common/dlmalloc.o
>    10390	     16	    492	  10898	   2a92	common/dlmalloc.o	(new
> dlmalloc)

to say it has increased is an understatement.  i cant imagine the upstream 
code increasing that much.  perhaps we had trimmed/customized the 
implementation so as to shrink it ?

> old dlmalloc:
> [galak at blarg u-boot-85xx]$ nm --size-sort common/dlmalloc.o

use the bloatcheck script to do a human readable compare between the two 
objects.  you can find it in the linux kernel.
-mike
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part.
Url : http://lists.denx.de/pipermail/u-boot/attachments/20090707/87aa3b1e/attachment.pgp