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| author | David S. Miller <[email protected]> | 2018-11-12 01:57:54 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2018-11-12 01:57:54 +0000 |
| commit | 2b9b7502dfcb6169dbf3359702953bf756b4e273 (patch) | |
| tree | 58ab22096d49de6a0e049cf1267edc34b82916dc /include/asm-generic/pgtable.h | |
| parent | PCI: add USR vendor id and use it in r8169 and w6692 driver (diff) | |
| parent | Linux 4.20-rc2 (diff) | |
| download | kernel-2b9b7502dfcb6169dbf3359702953bf756b4e273.tar.gz kernel-2b9b7502dfcb6169dbf3359702953bf756b4e273.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/asm-generic/pgtable.h')
| -rw-r--r-- | include/asm-generic/pgtable.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 5657a20e0c59..359fb935ded6 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -1127,4 +1127,20 @@ static inline bool arch_has_pfn_modify_check(void) #endif #endif +/* + * On some architectures it depends on the mm if the p4d/pud or pmd + * layer of the page table hierarchy is folded or not. + */ +#ifndef mm_p4d_folded +#define mm_p4d_folded(mm) __is_defined(__PAGETABLE_P4D_FOLDED) +#endif + +#ifndef mm_pud_folded +#define mm_pud_folded(mm) __is_defined(__PAGETABLE_PUD_FOLDED) +#endif + +#ifndef mm_pmd_folded +#define mm_pmd_folded(mm) __is_defined(__PAGETABLE_PMD_FOLDED) +#endif + #endif /* _ASM_GENERIC_PGTABLE_H */ |