[PATCH 2/4] arm64: support huge vmap vmalloc
Nicholas Piggin
npiggin at gmail.com
Mon Jun 10 14:38:36 AEST 2019
Applying huge vmap to vmalloc requires vmalloc_to_page to walk huge
pages. Define pud_large and pmd_large to support this.
Signed-off-by: Nicholas Piggin <npiggin at gmail.com>
---
arch/arm64/include/asm/pgtable.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 2c41b04708fe..30fe7b344bf7 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -428,6 +428,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
PMD_TYPE_TABLE)
#define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \
PMD_TYPE_SECT)
+#define pmd_large(pmd) pmd_sect(pmd)
#if defined(CONFIG_ARM64_64K_PAGES) || CONFIG_PGTABLE_LEVELS < 3
#define pud_sect(pud) (0)
@@ -438,6 +439,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
#define pud_table(pud) ((pud_val(pud) & PUD_TYPE_MASK) == \
PUD_TYPE_TABLE)
#endif
+#define pud_large(pud) pud_sect(pud)
extern pgd_t init_pg_dir[PTRS_PER_PGD];
extern pgd_t init_pg_end[];
--
2.20.1
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