1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 21cdf25d7SChristoph Lameter /* 31cdf25d7SChristoph Lameter * Generate definitions needed by the preprocessor. 41cdf25d7SChristoph Lameter * This code generates raw asm output which is post-processed 51cdf25d7SChristoph Lameter * to extract and format the required data. 61cdf25d7SChristoph Lameter */ 71cdf25d7SChristoph Lameter 81cdf25d7SChristoph Lameter #define __GENERATING_BOUNDS_H 91cdf25d7SChristoph Lameter /* Include headers that define the enum constants of interest */ 109223b419SChristoph Lameter #include <linux/page-flags.h> 1197965478SChristoph Lameter #include <linux/mmzone.h> 1237487a56SChristoph Lameter #include <linux/kbuild.h> 1390572890SPeter Zijlstra #include <linux/log2.h> 1424b9fdc5SKirill A. Shutemov #include <linux/spinlock_types.h> 151cdf25d7SChristoph Lameter main(void)166a32c246SArnd Bergmannint main(void) 171cdf25d7SChristoph Lameter { 1801fc0ac1SSam Ravnborg /* The enum constants to put into include/generated/bounds.h */ 199223b419SChristoph Lameter DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS); 2097965478SChristoph Lameter DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES); 2190572890SPeter Zijlstra #ifdef CONFIG_SMP 22*15aa09d6SMatthew Wilcox (Oracle) DEFINE(NR_CPUS_BITS, order_base_2(CONFIG_NR_CPUS)); 2390572890SPeter Zijlstra #endif 24597d795aSKirill A. Shutemov DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t)); 25ec1c86b2SYu Zhao #ifdef CONFIG_LRU_GEN 26ec1c86b2SYu Zhao DEFINE(LRU_GEN_WIDTH, order_base_2(MAX_NR_GENS + 1)); 27ac35a490SYu Zhao DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS - 2); 28ec1c86b2SYu Zhao #else 29ec1c86b2SYu Zhao DEFINE(LRU_GEN_WIDTH, 0); 30ac35a490SYu Zhao DEFINE(__LRU_REFS_WIDTH, 0); 31ec1c86b2SYu Zhao #endif 321cdf25d7SChristoph Lameter /* End of constants */ 336a32c246SArnd Bergmann 346a32c246SArnd Bergmann return 0; 351cdf25d7SChristoph Lameter } 36