On Tue, Nov 15, 2011 at 07:41:54AM +0100, Andrew Shadura wrote: > On Mon, 14 Nov 2011 00:14:18 +0100 > Josselin Mouette <joss@debian.org> wrote: > > This is getting insane. Please learn how to use madvise and > > posix_fadvise and let the kernel deal with paging. The kernel knows > > everything about the underlying hardware; the application does not. > > And what about the software being cross-platform? What about other > systems which don't have such system calls? Also, the application > doesn't need to know anything about the hardware except that disk > memory is usually larger and slower than RAM is. madvise(): # _BSD_SOURCE # CONFORMING TO # POSIX.1b. posix_fadvise(): # CONFORMING TO # POSIX.1-2001. I'd call functions that are required by a not-so-recent version of POSIX pretty portable. What do you want to be cross-platform to then? win32? If so, you need a portability layer for anything fancier than "Hello world" anyway. -- 1KB // Yo momma uses IPv4!
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