linux-kernel - [PATCH 5.17 1023/1126] XArray: Include bitmap.h from xarray.h

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Message-Id: <20220405070437.510674310@linuxfoundation.org>
Date:   Tue,  5 Apr 2022 09:29:30 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Liam Howlett <liam.howlett@...cle.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>
Subject: [PATCH 5.17 1023/1126] XArray: Include bitmap.h from xarray.h

From: Matthew Wilcox (Oracle) <willy@...radead.org>

commit 22f56b8e890d4e2835951b437bb6eeebfd1cb18b upstream.

xas_find_chunk() calls find_next_bit(), which is defined in find.h,
included from bitmap.h.  Inside the kernel, this isn't a problem because
bitmap.h is included from cpumask.h which is dragged in (eventually)
by gfp.h.  When building the test-suite, that doesn't happen, so we need
to include bitmap.h explicitly.

Fixes: 4ade0818cf04 ("tools: sync tools/bitmap with mother linux")
Reported-by: Liam Howlett <liam.howlett@...cle.com>
Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/xarray.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index d6d5da6ed735..66e28bc1a023 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -9,6 +9,7 @@
  * See Documentation/core-api/xarray.rst for how to use the XArray.
  */
 
+#include <linux/bitmap.h>
 #include <linux/bug.h>
 #include <linux/compiler.h>
 #include <linux/gfp.h>
-- 
2.35.1