Re: [Bug #11342] Linux 2.6.27-rc3: kernel BUG at mm/vmalloc.c -bisected

[Adrian Bunk]

On Tue, Aug 26, 2008 at 04:00:33PM -0700, David VomLehn wrote:
> Parag Warudkar wrote:
>> On Tue, Aug 26, 2008 at 5:04 PM, Linus Torvalds
>> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
>>
>>> And embedded people (the ones that might care about 1% code size) are the
>>> ones that would also want smaller stacks even more!
>>
>> This is something I never understood - embedded devices are not going
>> to run more than a few processes and 4K*(Few Processes)
>>  IMHO is not worth a saving now a days even in embedded world given
>> falling memory prices. Or do I misunderstand?
>
> Embedded applications span a huge range of sizes, from the very small 
> devices to which you refer, to quite complex devices. The cable settop 
> boxes we develop have over a hundred interrupt sources, typically run 
> 250-300 threads, and have 192+ MiB of memory. For all that, we are very 
> cost sensitive and are under constant pressure to come up with reliable 
> ways to save memory.

As you say correctly the term "embedded" gets used for many different 
devices.

And if you have 192+ MiB of memory you have so much that all these 
kernel size discussions don't really matter.

> David VomLehn

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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