On Sun, Mar 25, 2007 at 02:12:32PM +0200, Peter Zijlstra wrote: > On Sat, 2007-03-24 at 23:09 +0100, Miklos Szeredi wrote: > > From: Miklos Szeredi <[EMAIL PROTECTED]> > > > > Dirty page accounting/limiting doesn't work for nonlinear mappings, so > > for non-ram backed filesystems emulate with linear mappings. This > > retains ABI compatibility with previous kernels at minimal code cost. > > > > All known users of nonlinear mappings actually use tmpfs, so this > > shouldn't have any negative effect.
They do? I thought the whole point of nonlinear mappings was for mapping files bigger than the address space (eg. databases). Is Oracle instead using this to map >3G files on a tmpfs?? -- Mathematics is the supreme nostalgia of our time. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/