Hi Ankur, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/master] [also build test ERROR on linus/master next-20201013] [cannot apply to tip/x86/core linux/master v5.9] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Ankur-Arora/Use-uncached-writes-while-clearing-gigantic-pages/20201014-163720 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 80f92ca9b86c71450f003d39956fca4327cc5586 config: riscv-randconfig-r006-20201014 (attached as .config) compiler: riscv32-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/6a1ec80588fc845c7ce6bd0e0e3635bf07d9110d git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Ankur-Arora/Use-uncached-writes-while-clearing-gigantic-pages/20201014-163720 git checkout 6a1ec80588fc845c7ce6bd0e0e3635bf07d9110d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from net/socket.c:74: include/linux/highmem.h: In function 'clear_user_highpage_uncached': >> include/linux/highmem.h:240:2: error: implicit declaration of function 'clear_user_page_uncached'; did you mean 'clear_user_highpage_uncached'? [-Werror=implicit-function-declaration] 240 | clear_user_page_uncached(addr, vaddr, page); | ^~~~~~~~~~~~~~~~~~~~~~~~ | clear_user_highpage_uncached net/socket.c: In function '__sys_getsockopt': net/socket.c:2155:6: warning: variable 'max_optlen' set but not used [-Wunused-but-set-variable] 2155 | int max_optlen; | ^~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/pagemap.h:11, from include/linux/blkdev.h:13, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/net/sock.h:53, from net/sysctl_net.c:20: include/linux/highmem.h: In function 'clear_user_highpage_uncached': >> include/linux/highmem.h:240:2: error: implicit declaration of function 'clear_user_page_uncached'; did you mean 'clear_user_highpage_uncached'? [-Werror=implicit-function-declaration] 240 | clear_user_page_uncached(addr, vaddr, page); | ^~~~~~~~~~~~~~~~~~~~~~~~ | clear_user_highpage_uncached cc1: some warnings being treated as errors -- In file included from include/linux/pagemap.h:11, from include/linux/blkdev.h:13, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/net/sock.h:53, from include/linux/mroute_base.h:8, from include/linux/mroute.h:10, from net/ipv4/route.c:82: include/linux/highmem.h: In function 'clear_user_highpage_uncached': >> include/linux/highmem.h:240:2: error: implicit declaration of function 'clear_user_page_uncached'; did you mean 'clear_user_highpage_uncached'? [-Werror=implicit-function-declaration] 240 | clear_user_page_uncached(addr, vaddr, page); | ^~~~~~~~~~~~~~~~~~~~~~~~ | clear_user_highpage_uncached net/ipv4/route.c: In function 'ip_rt_send_redirect': net/ipv4/route.c:878:6: warning: variable 'log_martians' set but not used [-Wunused-but-set-variable] 878 | int log_martians; | ^~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/pagemap.h:11, from include/linux/blkdev.h:13, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/net/sock.h:53, from include/net/inet_sock.h:22, from include/net/ip.h:28, from net/ipv6/ip6_fib.c:28: include/linux/highmem.h: In function 'clear_user_highpage_uncached': >> include/linux/highmem.h:240:2: error: implicit declaration of function 'clear_user_page_uncached'; did you mean 'clear_user_highpage_uncached'? [-Werror=implicit-function-declaration] 240 | clear_user_page_uncached(addr, vaddr, page); | ^~~~~~~~~~~~~~~~~~~~~~~~ | clear_user_highpage_uncached net/ipv6/ip6_fib.c: In function 'fib6_add': net/ipv6/ip6_fib.c:1373:25: warning: variable 'pn' set but not used [-Wunused-but-set-variable] 1373 | struct fib6_node *fn, *pn = NULL; | ^~ cc1: some warnings being treated as errors -- In file included from include/linux/pagemap.h:11, from include/linux/blkdev.h:13, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/net/sock.h:53, from include/linux/tcp.h:19, from include/linux/ipv6.h:88, from include/linux/netfilter/ipset/ip_set.h:11, from net/netfilter/ipset/ip_set_core.c:23: include/linux/highmem.h: In function 'clear_user_highpage_uncached': >> include/linux/highmem.h:240:2: error: implicit declaration of function 'clear_user_page_uncached'; did you mean 'clear_user_highpage_uncached'? [-Werror=implicit-function-declaration] 240 | clear_user_page_uncached(addr, vaddr, page); | ^~~~~~~~~~~~~~~~~~~~~~~~ | clear_user_highpage_uncached net/netfilter/ipset/ip_set_core.c: In function 'ip_set_rename': net/netfilter/ipset/ip_set_core.c:1363:2: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation] 1363 | strncpy(set->name, name2, IPSET_MAXNAMELEN); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/pagemap.h:11, from include/linux/blkdev.h:13, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/net/sock.h:53, from net/nfc/nci/../nfc.h:14, from net/nfc/nci/hci.c:13: include/linux/highmem.h: In function 'clear_user_highpage_uncached': >> include/linux/highmem.h:240:2: error: implicit declaration of function 'clear_user_page_uncached'; did you mean 'clear_user_highpage_uncached'? [-Werror=implicit-function-declaration] 240 | clear_user_page_uncached(addr, vaddr, page); | ^~~~~~~~~~~~~~~~~~~~~~~~ | clear_user_highpage_uncached net/nfc/nci/hci.c: In function 'nci_hci_resp_received': net/nfc/nci/hci.c:369:5: warning: variable 'status' set but not used [-Wunused-but-set-variable] 369 | u8 status = result; | ^~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/pagemap.h:11, from include/linux/blkdev.h:13, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/net/sock.h:53, from include/linux/tcp.h:19, from include/linux/ipv6.h:88, from include/net/ipv6.h:12, from net/ipv6/netfilter/nf_reject_ipv6.c:7: include/linux/highmem.h: In function 'clear_user_highpage_uncached': >> include/linux/highmem.h:240:2: error: implicit declaration of function 'clear_user_page_uncached'; did you mean 'clear_user_highpage_uncached'? [-Werror=implicit-function-declaration] 240 | clear_user_page_uncached(addr, vaddr, page); | ^~~~~~~~~~~~~~~~~~~~~~~~ | clear_user_highpage_uncached net/ipv6/netfilter/nf_reject_ipv6.c: In function 'nf_send_reset6': net/ipv6/netfilter/nf_reject_ipv6.c:152:18: warning: variable 'ip6h' set but not used [-Wunused-but-set-variable] 152 | struct ipv6hdr *ip6h; | ^~~~ cc1: some warnings being treated as errors -- In file included from include/linux/pagemap.h:11, from include/linux/blkdev.h:13, from include/linux/blk-cgroup.h:23, from include/linux/writeback.h:14, from include/linux/memcontrol.h:22, from include/net/sock.h:53, from include/linux/tcp.h:19, from net/netfilter/ipvs/ip_vs_core.c:28: include/linux/highmem.h: In function 'clear_user_highpage_uncached': >> include/linux/highmem.h:240:2: error: implicit declaration of function 'clear_user_page_uncached'; did you mean 'clear_user_highpage_uncached'? [-Werror=implicit-function-declaration] 240 | clear_user_page_uncached(addr, vaddr, page); | ^~~~~~~~~~~~~~~~~~~~~~~~ | clear_user_highpage_uncached net/netfilter/ipvs/ip_vs_core.c: In function 'ip_vs_in_icmp': net/netfilter/ipvs/ip_vs_core.c:1660:8: warning: variable 'outer_proto' set but not used [-Wunused-but-set-variable] 1660 | char *outer_proto = "IPIP"; | ^~~~~~~~~~~ cc1: some warnings being treated as errors vim +240 include/linux/highmem.h 234 235 #ifndef clear_user_highpage_uncached 236 static inline void clear_user_highpage_uncached(struct page *page, unsigned long vaddr) 237 { 238 void *addr = kmap_atomic(page); 239 > 240 clear_user_page_uncached(addr, vaddr, page); 241 kunmap_atomic(addr); 242 } 243 #endif 244 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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