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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-05-12 12:18:21 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-05-12 12:18:21 -0700 |
commit | 0fdc50dfab47d525b71a9f0d8310746cdc0c09c5 (patch) | |
tree | 42f5f09f2c8677389136541815394b76fba07600 /include/asm-generic/pgtable.h | |
parent | Input: add driver for the Cypress CY8CTMA140 touchscreen (diff) | |
parent | Linux 5.6 (diff) | |
download | linux-dev-0fdc50dfab47d525b71a9f0d8310746cdc0c09c5.tar.xz linux-dev-0fdc50dfab47d525b71a9f0d8310746cdc0c09c5.zip |
Merge tag 'v5.6' into next
Sync up with mainline to get device tree and other changes.
Diffstat (limited to 'include/asm-generic/pgtable.h')
-rw-r--r-- | include/asm-generic/pgtable.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 798ea36a0549..e2e2bef07dd2 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -1238,4 +1238,24 @@ static inline bool arch_has_pfn_modify_check(void) #define mm_pmd_folded(mm) __is_defined(__PAGETABLE_PMD_FOLDED) #endif +/* + * p?d_leaf() - true if this entry is a final mapping to a physical address. + * This differs from p?d_huge() by the fact that they are always available (if + * the architecture supports large pages at the appropriate level) even + * if CONFIG_HUGETLB_PAGE is not defined. + * Only meaningful when called on a valid entry. + */ +#ifndef pgd_leaf +#define pgd_leaf(x) 0 +#endif +#ifndef p4d_leaf +#define p4d_leaf(x) 0 +#endif +#ifndef pud_leaf +#define pud_leaf(x) 0 +#endif +#ifndef pmd_leaf +#define pmd_leaf(x) 0 +#endif + #endif /* _ASM_GENERIC_PGTABLE_H */ |