lkml.org 
[lkml]   [2000]   [Mar]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Overcommitable memory??
On Sat, Mar 18, 2000 at 10:32:25PM +0000, Carlos Morgado wrote:
> You don't understand [cm]alloc(). You confusing malloc(), which allocates
> space in the process (virtual) space, and calloc() which allocates space and
> touches it. malloc() is very needed for the same reason sparce files are
> needed.
I thought the libc5/glibc implementations of calloc() made use of kernel
guarantees that pages would be allocated zeroed out, and so didn't touch
them, so in effect calloc() was virtual as well.

mrc
--
Mike Castle Life is like a clock: You can work constantly
dalgoda@ix.netcom.com and be right all the time, or not work at all
www.netcom.com/~dalgoda/ and be right at least twice a day. -- mrc
We are all of us living in the shadow of Manhattan. -- Watchmen

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:57    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site