1 #ifndef _ASM_ARM64_VMALLOC_H 2 #define _ASM_ARM64_VMALLOC_H 3 4 #include <asm/page.h> 5 6 #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP 7 8 #define arch_vmap_pud_supported arch_vmap_pud_supported 9 static inline bool arch_vmap_pud_supported(pgprot_t prot) 10 { 11 /* 12 * Only 4k granule supports level 1 block mappings. 13 * SW table walks can't handle removal of intermediate entries. 14 */ 15 return IS_ENABLED(CONFIG_ARM64_4K_PAGES) && 16 !IS_ENABLED(CONFIG_PTDUMP_DEBUGFS); 17 } 18 19 #define arch_vmap_pmd_supported arch_vmap_pmd_supported 20 static inline bool arch_vmap_pmd_supported(pgprot_t prot) 21 { 22 /* See arch_vmap_pud_supported() */ 23 return !IS_ENABLED(CONFIG_PTDUMP_DEBUGFS); 24 } 25 26 #endif 27 28 #endif /* _ASM_ARM64_VMALLOC_H */ 29