diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/set_memory.h | 1 | ||||
| -rw-r--r-- | arch/x86/mm/pat/set_memory.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/set_memory.h b/arch/x86/include/asm/set_memory.h index 4b2abce2e3e7..cc62ef70ccc0 100644 --- a/arch/x86/include/asm/set_memory.h +++ b/arch/x86/include/asm/set_memory.h @@ -89,6 +89,7 @@ int set_pages_rw(struct page *page, int numpages); int set_direct_map_invalid_noflush(struct page *page); int set_direct_map_default_noflush(struct page *page); +int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid); bool kernel_page_present(struct page *page); extern int kernel_set_to_readonly; diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c index 44f7b2ea6a07..069e421c2247 100644 --- a/arch/x86/mm/pat/set_memory.c +++ b/arch/x86/mm/pat/set_memory.c @@ -2444,6 +2444,14 @@ int set_direct_map_default_noflush(struct page *page) return __set_pages_p(page, 1); } +int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid) +{ + if (valid) + return __set_pages_p(page, nr); + + return __set_pages_np(page, nr); +} + #ifdef CONFIG_DEBUG_PAGEALLOC void __kernel_map_pages(struct page *page, int numpages, int enable) { |