diff options
Diffstat (limited to 'mm/page_poison.c')
| -rw-r--r-- | mm/page_poison.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/mm/page_poison.c b/mm/page_poison.c index aa2b3d34e8ea..f0c15e9017c0 100644 --- a/mm/page_poison.c +++ b/mm/page_poison.c @@ -17,11 +17,16 @@ static int __init early_page_poison_param(char *buf) } early_param("page_poison", early_page_poison_param); +/** + * page_poisoning_enabled - check if page poisoning is enabled + * + * Return true if page poisoning is enabled, or false if not. + */ bool page_poisoning_enabled(void) { /* * Assumes that debug_pagealloc_enabled is set before - * free_all_bootmem. + * memblock_free_all. * Page poisoning is debug page alloc for some arches. If * either of those options are enabled, enable poisoning. */ @@ -29,6 +34,7 @@ bool page_poisoning_enabled(void) (!IS_ENABLED(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) && debug_pagealloc_enabled())); } +EXPORT_SYMBOL_GPL(page_poisoning_enabled); static void poison_page(struct page *page) { |