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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /kernel/bounds.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'kernel/bounds.c')
-rw-r--r-- | kernel/bounds.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/kernel/bounds.c b/kernel/bounds.c new file mode 100644 index 000000000..b529182e8 --- /dev/null +++ b/kernel/bounds.c @@ -0,0 +1,35 @@ +// 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)); +#ifdef CONFIG_LRU_GEN + DEFINE(LRU_GEN_WIDTH, order_base_2(MAX_NR_GENS + 1)); + DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS - 2); +#else + DEFINE(LRU_GEN_WIDTH, 0); + DEFINE(__LRU_REFS_WIDTH, 0); +#endif + /* End of constants */ + + return 0; +} |