Messages in this thread | | | Date | Fri, 4 Dec 1998 10:42:20 +0100 (CET) | From | Rik van Riel <> | Subject | Re: Linux-2.1.131.. |
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On Thu, 3 Dec 1998, Andrea Arcangeli wrote: > On Thu, 3 Dec 1998, Rik van Riel wrote: > > > > > if (buffer_over_borrow() || pgcache_over_borrow()) > >- shrink_mmap(i, gfp_mask); > >+ state = 0; > > > >This is a good fix as it returns behaviour back to the normal > >and desired behaviour (except for too heavy cache pruning). > >This patch would have been better however, since it does what > >we want without too heavy cache pruning or massive swapout > >frenzies. > > do_try_to_free_page() starting from its name must try to free 1 page. If > shrink_mmap() just freed one page we have just finished our work and in > such case why to continue eventually with a not needed swap out?
You haven't read my message, have you? :)
The next paragraph contained my own fix that does both the above and frees memory while swapping...
cheers,
Rik -- the flu hits, the flu hits, the flu hits -- MORE +-------------------------------------------------------------------+ | Linux memory management tour guide. H.H.vanRiel@phys.uu.nl | | Scouting Vries cubscout leader. http://www.phys.uu.nl/~riel/ | +-------------------------------------------------------------------+
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