LXR linux/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
   9static 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
  20static 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