From 34d0640e268923bb1fb9d244a047cdfcd3f77909 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 3 Apr 2015 11:31:35 -0400
Subject: [PATCH] switch hugetlbfs to ->read_iter()

... and fix the case when the area we are asked to read crosses
a hugepage boundary

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Reading git-format-patch failed