arch/arm64/include/asm/vmalloc.h

   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 */