Re: [2.4.26] overcommit_memory documentation clarification

From: Paul Jackson
Date: Sun May 09 2004 - 16:02:52 EST

Vincent wrote:
> NULL == (void *) 0 and NULL == 0 must be true
Yes - NULL is compares equal to both (void *)0 and 0.
No - not necessarily the _same_ value - one could be
on a system with 32 bit ints, 64 bit pointers, for example.

> The goal of malloc is to reserve memory.
It's up to the kernel whether sbrk (used by malloc to
obtain virtual address space) reserves memory or not.

Check out:
Documentation/sysctl/vm.txt - overcommit_memory

I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@xxxxxxx> 1.650.933.1373
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