Re: Shared memory problem

[Chris Friesen]

Tushar Telichari wrote:
> Hi,
>
> I have a process which requires about 1G of shared memory.
> There are multiple processes which are going to share this.
> I am able to allocate this by setting shmmax..etc. 

Your other option would be to create it as a file in the filesystem and 
then mmap it.  If you create a tmpfs filesystem and then mmap a file on 
it there will be no real file on disk.  If you create it on disk and 
mmap it, then you have the option of persistant storage is that is 
desirable.

Chris


--
Chris Friesen                    | MailStop: 043/33/F10
Nortel Networks                  | work: (613) 765-0557
3500 Carling Avenue              | fax:  (613) 765-2986
Nepean, ON K2H 8E9 Canada        | email: cfriesen@xxxxxxxxxxxxxxxxxx

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