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Subject: Re: [9front] cwfs fsmempercent
From: Kenji Arisawa <arisawa@ar.aichi-u.ac.jp>
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Date: Wed, 30 Apr 2014 23:41:40 +0900
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thanks. I will try and report.
by the way, I cannot compile pc64

term% pwd
/sys/src/9/pc64
term% mk
mk: ambiguous recipes for devusb.6:
	devusb.6 <-(mkfile:94)- ../pc/devusb.c
	devusb.6 <-(../port/portmkfile:3)- ../port/devusb.c
term% 

what's wrong?

On 2014/04/30, at 5:11, cinap_lenrek@felloff.net wrote:

> that might work. i havnt tried it. you need to be carefull
> with overflows as 2GB becomes negative with signed 32 bit ints.
> 
> 	if(dsize >= 0x80000000UL){	/* for sanity, overflow */
> 		werrstr("invalid allocation size");
> 		return nil;
> 	}
> 
> the only routine that does substantial allocation is iobufinit()
> in cwfs/malloc.c.
> 
> as far as i can see, this memory is never freed, so we might
> just remove the define:
> 
> all.h:13: #define malloc(n)	ialloc(n, 0)
> 
> and provide our own ialloc() that just uses brk().
> 
> --
> cinap