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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /kernel/bounds.c
parentInitial commit. (diff)
downloadlinux-upstream/5.10.209.tar.xz
linux-upstream/5.10.209.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'kernel/bounds.c')
-rw-r--r--kernel/bounds.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/kernel/bounds.c b/kernel/bounds.c
new file mode 100644
index 000000000..9795d75b0
--- /dev/null
+++ b/kernel/bounds.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * 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>
+
+int main(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 */
+
+ return 0;
+}