Hi Nitesh, Thank you for the patch! Yet something to improve: [auto build test ERROR on kvm/linux-next] [also build test ERROR on v4.15-rc1 next-20171128] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/nilal-redhat-com/KVM-Guest-page-hinting/20171129-180331 base: https://git.kernel.org/pub/scm/virt/kvm/kvm.git linux-next config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=powerpc All errors (new ones prefixed by >>): In file included from include/linux/mm.h:10:0, from include/linux/mman.h:5, from arch/powerpc/kernel/asm-offsets.c:22: >> include/linux/gfp.h:453:20: error: static declaration of 'arch_free_page' follows non-static declaration static inline void arch_free_page(struct page *page, int order) ^~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:16:0, from arch/powerpc/include/asm/book3s/64/mmu.h:30, from arch/powerpc/include/asm/mmu.h:305, from arch/powerpc/include/asm/lppaca.h:36, from arch/powerpc/include/asm/paca.h:21, from arch/powerpc/include/asm/current.h:16, from include/linux/sched.h:12, from arch/powerpc/kernel/asm-offsets.c:17: arch/powerpc/include/asm/page.h:325:6: note: previous declaration of 'arch_free_page' was here void arch_free_page(struct page *page, int order); ^~~~~~~~~~~~~~ make[2]: *** [arch/powerpc/kernel/asm-offsets.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [sub-make] Error 2 vim +/arch_free_page +453 include/linux/gfp.h 452 > 453 static inline void arch_free_page(struct page *page, int order) 454 { 455 if (!static_branch_unlikely(&guest_page_hinting_key)) 456 return; 457 guest_free_page(page, order); 458 } 459 #endif 460 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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