Messages in this thread | | | Subject | Re: [PATCH] mm/debug-pagealloc: add missing debug_pagealloc_enabled | From | Laura Abbott <> | Date | Wed, 3 Feb 2016 14:30:09 -0800 |
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On 02/03/2016 02:15 PM, Arnd Bergmann wrote: > The change to move the pagealloc logic broke the slab allocator > check when it's disabled at compile time: > > mm/slab.c: In function 'is_debug_pagealloc_cache': > mm/slab.c:1608:29: error: implicit declaration of function 'debug_pagealloc_enabled' [-Werror=implicit-function-declaration] > > This adds an inline helper to get it to work again. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > Fixes: 0a244aea1a61 ("mm/slab: clean up DEBUG_PAGEALLOC processing code") > --- > include/linux/mm.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/linux/mm.h b/include/linux/mm.h > index 5d86eb2e8584..90d600ce56ad 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -2242,6 +2242,7 @@ 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 0; } > static inline void > kernel_map_pages(struct page *page, int numpages, int enable) {} > #ifdef CONFIG_HIBERNATION >
I believe this should be fixed with http://article.gmane.org/gmane.linux.kernel.mm/145655
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