Re: sparse using insane amounts of memory

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On Thu, 2007-03-08 at 11:33 -0500, Pavel Roskin wrote:

> You forgot the version of sparse.

Good point. The commit is c4670dfcbe52b598e263c452762a66d22e636585.

>   I cannot reproduce the problem with
> the current sparse from git
> (git://git.kernel.org/pub/scm/linux/kernel/git/josh/sparse.git)

I just upgraded to 309f3805ddec9ab2f9c62da573586a7cf7c1f17a and still
observe that it uses a lot of memory.

> If you still have the problem, please remove rt2400pci.o and run:
> 
> make CC="gcc -save-temps -D__CHECKER__" KBUILD_NOCMDDEP=1
> 
> rt2400pci.i will be found in the root of the build tree.  Please see if
> you have a problem with it.  If you do, please put it online and post
> the URL.

I ran 

  make CC="gcc -save-temps -D__CHECKER__" KBUILD_NOCMDDEP=1 M=drivers/net/wireless/mac80211/rt2x00/

and aborted when I got lots of errors, rt2400pci.i was created and has
about 26k lines. Running sparse on it (sparse rt2400pci.i) takes a lot
of memory too. I put the file up at
http://johannes.sipsolutions.net/files/rt2400pci.i

johannes

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