Messages in this thread | | | Date | Fri, 1 Apr 2016 15:20:21 -0800 | From | Kent Overstreet <> | Subject | Re: [PATCH 2/2] mm: Real pagecache iterators |
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On Fri, Apr 01, 2016 at 03:57:47PM -0700, Andrew Morton wrote: > On Thu, 31 Mar 2016 18:38:11 -0800 Kent Overstreet <kent.overstreet@gmail.com> wrote: > > > Introduce for_each_pagecache_page() and related macros, with the goal of > > replacing most/all uses of pagevec_lookup(). > > > > For the most part this shouldn't be a functional change. The one functional > > difference with the new macros is that they now take an @end parameter, so we're > > able to avoid grabbing pages in __find_get_pages() that we'll never use. > > > > This patch only does some of the conversions, the ones I was able to easily test > > myself - the conversions are mechanical but tricky enough they generally warrent > > testing. > > What is the reason for this change?
I just got tired of code being hard to follow when I was trying to work on some pagecache invalidation stuff.
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