Re: PATCH - raise max_anon limit
From: Tim Hockin
Date: Wed Feb 11 2004 - 15:35:42 EST
On Sat, Feb 07, 2004 at 09:48:47AM +0000, viro@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx wrote:
> > It would be better to lose the sysctl and do it all dynamically.
> >
> > Options are:
> >
> > a) realloc the bitmap when it fills up
> >
> > Simple, a bit crufty, doesn't release memory.
This can work if it's OK to allocate pages during set_max_anon() (which
includes changing the spinlock to a sema or always allocating before the
lock).
> d) grab a couple of pages and be done with that. That gives us 64Kbits.
Maybe that is just the simplest answer? It can be a simple constant that is
changeable at compile time, and leave it at that
What's most likely to cause the least argument?
> PS: psu.edu address is still valid, but I rarely read that mailbox...
Sorry - it's what was listed in MAINTAINERS, so I used it.
Tim
--
Tim Hockin
Sun Microsystems, Linux Software Engineering
thockin@xxxxxxx
All opinions are my own, not Sun's
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