linux-kernel - [PATCH v1 1/1] xarray: Replace kernel.h with the necessary inclusions

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Date:   Fri,  3 Jun 2022 20:11:53 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Matthew Wilcox <willy@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1 1/1] xarray: Replace kernel.h with the necessary inclusions

When kernel.h is used in the headers it adds a lot into dependency hell,
especially when there are circular dependencies are involved.

Replace kernel.h inclusion with the list of what is really being used.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/linux/xarray.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index 72feab5ea8d4..e9fedaa3498a 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -12,13 +12,18 @@
 #include <linux/bitmap.h>
 #include <linux/bug.h>
 #include <linux/compiler.h>
+#include <linux/err.h>
 #include <linux/gfp.h>
 #include <linux/kconfig.h>
-#include <linux/kernel.h>
+#include <linux/limits.h>
+#include <linux/lockdep.h>
+#include <linux/math.h>
 #include <linux/rcupdate.h>
 #include <linux/spinlock.h>
 #include <linux/types.h>
 
+#include <asm/bitsperlong.h>
+
 /*
  * The bottom two bits of the entry determine how the XArray interprets
  * the contents:
-- 
2.35.1