Re: [PATCH] mm: extend prefault helpers to fault in more thanPAGE_SIZE
From: Daniel Vetter
Date: Tue Mar 27 2012 - 07:36:40 EST
On Thu, Mar 01, 2012 at 12:15:57PM -0800, Andrew Morton wrote:
> On Thu, 1 Mar 2012 20:22:59 +0100
> Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
> > drm/i915 wants to read/write more than one page in its fastpath
> > and hence needs to prefault more than PAGE_SIZE bytes.
> > Add new functions in filemap.h to make that possible.
> > Also kill a copy&pasted spurious space in both functions while at it.
> > ...
> > +/* Multipage variants of the above prefault helpers, useful if more than
> > + * PAGE_SIZE of date needs to be prefaulted. These are separate from the above
> > + * functions (which only handle up to PAGE_SIZE) to avoid clobbering the
> > + * filemap.c hotpaths. */
> Like this please:
> * Multipage variants of the above prefault helpers, useful if more than
> * PAGE_SIZE of date needs to be prefaulted. These are separate from the above
> * functions (which only handle up to PAGE_SIZE) to avoid clobbering the
> * filemap.c hotpaths.
> and s/date/data/
> Please merge it via the DRI tree.
Ok, I've queued this up 3.5 (it missed the 3.4 merge because a few of the
drm/i915 patches from that series haven't been reviewed in time) with the
comment fixed up and your Acked-by on the commit message. I hope the later
is ok, otherwise please yell.
Thanks for reviewing this.
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