diff options
Diffstat (limited to 'arch/arm64/mm/pageattr.c')
| -rw-r--r-- | arch/arm64/mm/pageattr.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm64/mm/pageattr.c b/arch/arm64/mm/pageattr.c index 6ae6ae806454..39fd1f7ff02a 100644 --- a/arch/arm64/mm/pageattr.c +++ b/arch/arm64/mm/pageattr.c @@ -282,7 +282,23 @@ int realm_register_memory_enc_ops(void) return arm64_mem_crypt_ops_register(&realm_crypt_ops); } +int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid) +{ + unsigned long addr = (unsigned long)page_address(page); + + if (!can_set_direct_map()) + return 0; + + return set_memory_valid(addr, nr, valid); +} + #ifdef CONFIG_DEBUG_PAGEALLOC +/* + * This is - apart from the return value - doing the same + * thing as the new set_direct_map_valid_noflush() function. + * + * Unify? Explain the conceptual differences? + */ void __kernel_map_pages(struct page *page, int numpages, int enable) { if (!can_set_direct_map()) |