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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /kernel/bounds.c
Initial import
Diffstat (limited to 'kernel/bounds.c')
-rw-r--r--kernel/bounds.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/kernel/bounds.c b/kernel/bounds.c
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+/*
+ * Generate definitions needed by the preprocessor.
+ * This code generates raw asm output which is post-processed
+ * to extract and format the required data.
+ */
+
+#define __GENERATING_BOUNDS_H
+/* Include headers that define the enum constants of interest */
+#include <linux/page-flags.h>
+#include <linux/mmzone.h>
+#include <linux/kbuild.h>
+#include <linux/log2.h>
+#include <linux/spinlock_types.h>
+
+void foo(void)
+{
+ /* The enum constants to put into include/generated/bounds.h */
+ DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS);
+ DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES);
+#ifdef CONFIG_SMP
+ DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS));
+#endif
+ DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t));
+ /* End of constants */
+}