From d9e7e37b4d83371d08650612e0bb0b80a1240289 Mon Sep 17 00:00:00 2001
From: Nicholas Krause <xerofoify@gmail.com>
Date: Fri, 4 Sep 2015 15:48:19 -0700
Subject: [PATCH] mm/dmapool.c: change is_page_busy() return from int to bool

This makes the function is_page_busy() return bool rather then an int now
due to this particular function's single return statement only ever
evaulating to either one or zero.

Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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