Messages in this thread Patch in this message | | | From | Zong Li <> | Subject | [PATCH v2] riscv: Use PMD_SIZE to repalce PTE_PARENT_SIZE | Date | Mon, 4 Nov 2019 18:20:12 -0800 |
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The PMD_SIZE is equal to PGDIR_SIZE when __PAGETABLE_PMD_FOLDED is defined.
Signed-off-by: Zong Li <zong.li@sifive.com> --- arch/riscv/mm/init.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index 573463d..642b330 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -273,7 +273,6 @@ static void __init create_pmd_mapping(pmd_t *pmdp, #define get_pgd_next_virt(__pa) get_pmd_virt(__pa) #define create_pgd_next_mapping(__nextp, __va, __pa, __sz, __prot) \ create_pmd_mapping(__nextp, __va, __pa, __sz, __prot) -#define PTE_PARENT_SIZE PMD_SIZE #define fixmap_pgd_next fixmap_pmd #else #define pgd_next_t pte_t @@ -281,7 +280,6 @@ static void __init create_pmd_mapping(pmd_t *pmdp, #define get_pgd_next_virt(__pa) get_pte_virt(__pa) #define create_pgd_next_mapping(__nextp, __va, __pa, __sz, __prot) \ create_pte_mapping(__nextp, __va, __pa, __sz, __prot) -#define PTE_PARENT_SIZE PGDIR_SIZE #define fixmap_pgd_next fixmap_pte #endif @@ -316,10 +314,10 @@ static uintptr_t __init best_map_size(phys_addr_t base, phys_addr_t size) { uintptr_t map_size = PAGE_SIZE; - /* Upgrade to PMD/PGDIR mappings whenever possible */ - if (!(base & (PTE_PARENT_SIZE - 1)) && - !(size & (PTE_PARENT_SIZE - 1))) - map_size = PTE_PARENT_SIZE; + /* Upgrade to PMD_SIZE mappings whenever possible */ + if (!(base & (PMD_SIZE - 1)) && + !(size & (PMD_SIZE - 1))) + map_size = PMD_SIZE; return map_size; } -- 2.7.4
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