Messages in this thread | | | Subject | Re: mmapping large files hits swap in 2.4? | From | Daniel Egger <> | Date | 10 Aug 2002 18:17:25 +0200 |
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Am Sam, 2002-08-10 um 14.12 schrieb Richard Zidlicky:
> seems like you are doing something else, like hitting all > of the file.
> # uname -a > Linux sirizidl.dialin.rrze.uni-erlangen.de 2.4.18 #27 Wed Jul 24 17:25:39 CEST 2002 m68k unknown
> main() > { > char *area; > int fd=open("/msrc/linux/distr/cd.image", O_RDWR); > area = mmap (0, 168088*4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); > if (area == -1) perror("mmap"); > }
Heh. Well of course I'm also trying to use the memory I mmaped. :) It is just that it seems the mmaped region is not really bakked by the underlying file but by swap space which was exactly what I was trying to avoid by using a file.
-- Servus, Daniel
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