diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/vmalloc.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index e4f0db2a3ea..0fdf96803c5 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -220,12 +220,12 @@ int is_vmalloc_or_module_addr(const void *x) } /* - * Walk a vmap address to the physical pfn it maps to. + * Walk a vmap address to the struct page it maps. */ -unsigned long vmalloc_to_pfn(const void *vmalloc_addr) +struct page *vmalloc_to_page(const void *vmalloc_addr) { unsigned long addr = (unsigned long) vmalloc_addr; - unsigned long pfn = 0; + struct page *page = NULL; pgd_t *pgd = pgd_offset_k(addr); /* @@ -244,23 +244,23 @@ unsigned long vmalloc_to_pfn(const void *vmalloc_addr) ptep = pte_offset_map(pmd, addr); pte = *ptep; if (pte_present(pte)) - pfn = pte_pfn(pte); + page = pte_page(pte); pte_unmap(ptep); } } } - return pfn; + return page; } -EXPORT_SYMBOL(vmalloc_to_pfn); +EXPORT_SYMBOL(vmalloc_to_page); /* - * Map a vmalloc()-space virtual address to the struct page. + * Map a vmalloc()-space virtual address to the physical page frame number. */ -struct page *vmalloc_to_page(const void *vmalloc_addr) +unsigned long vmalloc_to_pfn(const void *vmalloc_addr) { - return pfn_to_page(vmalloc_to_pfn(vmalloc_addr)); + return page_to_pfn(vmalloc_to_page(vmalloc_addr)); } -EXPORT_SYMBOL(vmalloc_to_page); +EXPORT_SYMBOL(vmalloc_to_pfn); /*** Global kva allocator ***/ |