Re: Value of TASK_UNMAPPED_SIZE on 2.4

From: Andrea Arcangeli (andrea@suse.de)
Date: Fri Nov 03 2000 - 14:37:43 EST


On Fri, Nov 03, 2000 at 11:15:46AM -0800, Josue Emmanuel Amaro wrote:
> (page.h). This works out to be a value of 0x4000000.
                                                      ^ one more zero here
> Are there any negative side effects in defining TASK_UNMAPPED_SIZE to 0x1000000?

I guess you mean 0x10000000. There's no risk in doing that. I also did another
patch that moves the kernel away and allows 3.5G per process on IA32 via plain
mmap or shmat, but it has the downside of reducing a lot the ZONE_NORMAL where
on IA32 buffercache and skb still lives.

Andrea
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