tools: fix compilation after gfp_types.h split

When gfp_types.h was split from gfp.h, it broke the radix test suite.  Fix
the test suite by using gfp_types.h in the tools gfp.h header.

Link: https://lkml.kernel.org/r/20220902191923.1735933-1-willy@infradead.org
Fixes: cb5a065b (headers/deps: mm: Split <linux/gfp_types.h> out of <linux/gfp.h>)
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reported-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: Yury Norov <yury.norov@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

tools/include/linux/gfp.h

@@ -3,26 +3,7 @@
 #define _TOOLS_INCLUDE_LINUX_GFP_H
 
 #include <linux/types.h>
-
-#define __GFP_BITS_SHIFT 26
-#define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
-
-#define __GFP_HIGH		0x20u
-#define __GFP_IO		0x40u
-#define __GFP_FS		0x80u
-#define __GFP_NOWARN		0x200u
-#define __GFP_ZERO		0x8000u
-#define __GFP_ATOMIC		0x80000u
-#define __GFP_ACCOUNT		0x100000u
-#define __GFP_DIRECT_RECLAIM	0x400000u
-#define __GFP_KSWAPD_RECLAIM	0x2000000u
-
-#define __GFP_RECLAIM	(__GFP_DIRECT_RECLAIM | __GFP_KSWAPD_RECLAIM)
-
-#define GFP_ZONEMASK	0x0fu
-#define GFP_ATOMIC	(__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM)
-#define GFP_KERNEL	(__GFP_RECLAIM | __GFP_IO | __GFP_FS)
-#define GFP_NOWAIT	(__GFP_KSWAPD_RECLAIM)
+#include <linux/gfp_types.h>
 
 static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
 {

tools/include/linux/gfp_types.h

+#include "../../../include/linux/gfp_types.h"