lkml.org 
[lkml]   [1999]   [Dec]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Getting big areas of memory, in 2.3.x?

On Thu, 9 Dec 1999, Kanoj Sarcar wrote:

> Well, at least in 2.3, kernel data (and page caches) are below 1G,
> which means there's a lot of memory possible out there with
> references only from user memory. Shm page references are
> revokable too. [...]

we already kindof replace pages, see replace_with_highmem(). Reverse ptes
do help, but are not a necessity to get this. Neither reverse ptes, nor
any other method guarantees that a large amount of continuous RAM can be
allocated. Only boot-time allocation can be guaranteed.

-- mingo


-
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 13:55    [W:0.064 / U:0.424 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site