Re: [PATCH 1/7] Introduce the pagetable_operations and associatedhelper macros.

[Nick Piggin]

Nick Piggin wrote:

> Yeah you could, but it looks back to front to me.
>
> The VM tells the filesystem that the machine took a fault at virtual
> address X, then the filesystem asks the VM what pgoff that is, then
> tells the VM to install the corresponding page to vaddr X.
>
> With my ->fault, the VM asks the filesystem to give the page that
> corresponds to vaddr X, then installs it into that vaddr.

Err, sorry, that's what the current ->nopage does. It is then still
up to the filesystem to do the vaddr to pgoff conversion.

My fault patches of course just ask the filesystem for the page at
a given pgoff.

--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/