From: Christophe Leroy Date: Thu, 28 Oct 2021 12:59:15 +0000 (+0200) Subject: powerpc: Don't provide __kernel_map_pages() without ARCH_SUPPORTS_DEBUG_PAGEALLOC X-Git-Tag: v6.1-rc5~2720^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f8c0e36b48e32b14bb83332d24e0646acd31d9e9;p=platform%2Fkernel%2Flinux-starfive.git powerpc: Don't provide __kernel_map_pages() without ARCH_SUPPORTS_DEBUG_PAGEALLOC When ARCH_SUPPORTS_DEBUG_PAGEALLOC is not selected, the user can still select CONFIG_DEBUG_PAGEALLOC in which case __kernel_map_pages() is provided by mm/page_poison.c So only define __kernel_map_pages() when both CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC and CONFIG_DEBUG_PAGEALLOC are defined. Fixes: 68b44f94d637 ("powerpc/booke: Disable STRICT_KERNEL_RWX, DEBUG_PAGEALLOC and KFENCE") Reported-by: kernel test robot Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/971b69739ff4746252e711a9845210465c023a9e.1635425947.git.christophe.leroy@csgroup.eu --- diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index dcf5ecc..fde1ed4 100644 --- a/arch/powerpc/mm/pgtable_32.c +++ b/arch/powerpc/mm/pgtable_32.c @@ -173,7 +173,7 @@ void mark_rodata_ro(void) } #endif -#ifdef CONFIG_DEBUG_PAGEALLOC +#if defined(CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC) && defined(CONFIG_DEBUG_PAGEALLOC) void __kernel_map_pages(struct page *page, int numpages, int enable) { unsigned long addr = (unsigned long)page_address(page);