tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master head: 3c4fcc2648569c3fe573849f9254c8c3499ec648 commit: 9ac483109d19095e22414e46d38a6817520883b9 [2/6] arch: move common mmap flags to linux/mman.h config: x86_64-kexec (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 9ac483109d19095e22414e46d38a6817520883b9 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): arch/x86//mm/mpx.c: In function 'mpx_mmap': >> arch/x86//mm/mpx.c:57:26: error: 'MAP_PRIVATE' undeclared (first use in this function); did you mean 'DQF_PRIVATE'? MAP_ANONYMOUS | MAP_PRIVATE, VM_MPX, 0, &populate, NULL); ^~~~~~~~~~~ DQF_PRIVATE arch/x86//mm/mpx.c:57:26: note: each undeclared identifier is reported only once for each function it appears in vim +57 arch/x86//mm/mpx.c 613fcb7d3 Dave Hansen 2015-06-07 41 57319d80e Qiaowei Ren 2014-11-14 42 /* 57319d80e Qiaowei Ren 2014-11-14 43 * This is really a simplified "vm_mmap". it only handles MPX 57319d80e Qiaowei Ren 2014-11-14 44 * bounds tables (the bounds directory is user-allocated). 57319d80e Qiaowei Ren 2014-11-14 45 */ 57319d80e Qiaowei Ren 2014-11-14 46 static unsigned long mpx_mmap(unsigned long len) 57319d80e Qiaowei Ren 2014-11-14 47 { 57319d80e Qiaowei Ren 2014-11-14 48 struct mm_struct *mm = current->mm; 1fcfd8db7 Oleg Nesterov 2015-09-09 49 unsigned long addr, populate; 57319d80e Qiaowei Ren 2014-11-14 50 eb099e5bc Dave Hansen 2015-06-07 51 /* Only bounds table can be allocated here */ 613fcb7d3 Dave Hansen 2015-06-07 52 if (len != mpx_bt_size_bytes(mm)) 57319d80e Qiaowei Ren 2014-11-14 53 return -EINVAL; 57319d80e Qiaowei Ren 2014-11-14 54 57319d80e Qiaowei Ren 2014-11-14 55 down_write(&mm->mmap_sem); 1fcfd8db7 Oleg Nesterov 2015-09-09 56 addr = do_mmap(NULL, 0, len, PROT_READ | PROT_WRITE, 897ab3e0c Mike Rapoport 2017-02-24 @57 MAP_ANONYMOUS | MAP_PRIVATE, VM_MPX, 0, &populate, NULL); 57319d80e Qiaowei Ren 2014-11-14 58 up_write(&mm->mmap_sem); 1fcfd8db7 Oleg Nesterov 2015-09-09 59 if (populate) 1fcfd8db7 Oleg Nesterov 2015-09-09 60 mm_populate(addr, populate); 57319d80e Qiaowei Ren 2014-11-14 61 1fcfd8db7 Oleg Nesterov 2015-09-09 62 return addr; 57319d80e Qiaowei Ren 2014-11-14 63 } fcc7ffd67 Dave Hansen 2014-11-14 64 :::::: The code at line 57 was first introduced by commit :::::: 897ab3e0c49e24b62e2d54d165c7afec6bbca65b userfaultfd: non-cooperative: add event for memory unmaps :::::: TO: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
