Anshuman Khandual's on June 10, 2019 3:47 pm: > > > On 06/10/2019 10:08 AM, Nicholas Piggin wrote: >> 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 <npig...@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[]; > > Another series (I guess not merged yet) is trying to add these wrappers > on arm64 (https://patchwork.kernel.org/patch/10883887/). >
Okay good, I'll just cherry pick it for the series. Thanks, Nick
