We can provide debug_pagealloc_enabled() also if CONFIG_DEBUG_PAGEALLOC is not set. It will return false in that case.
Signed-off-by: Christian Borntraeger <[email protected]> --- include/linux/mm.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/mm.h b/include/linux/mm.h index 7783073..fbc5354 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2148,6 +2148,10 @@ kernel_map_pages(struct page *page, int numpages, int enable) extern bool kernel_page_present(struct page *page); #endif /* CONFIG_HIBERNATION */ #else +static inline bool debug_pagealloc_enabled(void) +{ + return false; +} static inline void kernel_map_pages(struct page *page, int numpages, int enable) {} #ifdef CONFIG_HIBERNATION -- 2.3.0
