diff options
Diffstat (limited to 'arch/arm64/mm/pageattr.c')
| -rw-r--r-- | arch/arm64/mm/pageattr.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c index 8def55e7249b..a682a0a2a0fa 100644 --- a/arch/arm64/mm/pageattr.c +++ b/arch/arm64/mm/pageattr.c @@ -17,6 +17,7 @@ #include <linux/vmalloc.h> #include <asm/pgtable.h> +#include <asm/set_memory.h> #include <asm/tlbflush.h> struct page_change_data { @@ -125,20 +126,23 @@ int set_memory_x(unsigned long addr, int numpages) } EXPORT_SYMBOL_GPL(set_memory_x); -#ifdef CONFIG_DEBUG_PAGEALLOC -void __kernel_map_pages(struct page *page, int numpages, int enable) +int set_memory_valid(unsigned long addr, int numpages, int enable) { - unsigned long addr = (unsigned long) page_address(page); - if (enable) - __change_memory_common(addr, PAGE_SIZE * numpages, + return __change_memory_common(addr, PAGE_SIZE * numpages, __pgprot(PTE_VALID), __pgprot(0)); else - __change_memory_common(addr, PAGE_SIZE * numpages, + return __change_memory_common(addr, PAGE_SIZE * numpages, __pgprot(0), __pgprot(PTE_VALID)); } + +#ifdef CONFIG_DEBUG_PAGEALLOC +void __kernel_map_pages(struct page *page, int numpages, int enable) +{ + set_memory_valid((unsigned long)page_address(page), numpages, enable); +} #ifdef CONFIG_HIBERNATION /* * When built with CONFIG_DEBUG_PAGEALLOC and CONFIG_HIBERNATION, this function |