CC: [email protected] CC: [email protected] TO: "Liam R. Howlett" <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git willy-maple head: 7e346d2845b4bd77663394f39fa70456e0084c86 commit: 059c8a0bb9679195f39e18eaa5b3f548f13e7226 [137/202] mm/mmap: Change mmap_region to use maple tree state :::::: branch date: 31 hours ago :::::: commit date: 5 days ago config: x86_64-randconfig-m001-20210202 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: mm/mmap.c:1895 mmap_region() error: uninitialized symbol 'next'. vim +/next +1895 mm/mmap.c fc8744adc870a8 Linus Torvalds 2009-01-31 1752 0165ab443556bd Miklos Szeredi 2007-07-15 1753 unsigned long mmap_region(struct file *file, unsigned long addr, 897ab3e0c49e24 Mike Rapoport 2017-02-24 1754 unsigned long len, vm_flags_t vm_flags, unsigned long pgoff, 897ab3e0c49e24 Mike Rapoport 2017-02-24 1755 struct list_head *uf) 0165ab443556bd Miklos Szeredi 2007-07-15 1756 { 0165ab443556bd Miklos Szeredi 2007-07-15 1757 struct mm_struct *mm = current->mm; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1758 struct vm_area_struct *vma = NULL; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1759 struct vm_area_struct *prev, *next; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1760 pgoff_t pglen = len >> PAGE_SHIFT; 0165ab443556bd Miklos Szeredi 2007-07-15 1761 unsigned long charged = 0; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1762 unsigned long end = addr + len; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1763 unsigned long merge_start = addr, merge_end = end; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1764 pgoff_t vm_pgoff; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1765 int error; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1766 MA_STATE(mas, &mm->mm_mt, addr, end - 1); 0165ab443556bd Miklos Szeredi 2007-07-15 1767 e8420a8ece80b3 Cyril Hrubis 2013-04-29 1768 /* Check against address space limit. */ 84638335900f19 Konstantin Khlebnikov 2016-01-14 1769 if (!may_expand_vm(mm, vm_flags, len >> PAGE_SHIFT)) { e8420a8ece80b3 Cyril Hrubis 2013-04-29 1770 unsigned long nr_pages; e8420a8ece80b3 Cyril Hrubis 2013-04-29 1771 e8420a8ece80b3 Cyril Hrubis 2013-04-29 1772 /* e8420a8ece80b3 Cyril Hrubis 2013-04-29 1773 * MAP_FIXED may remove pages of mappings that intersects with e8420a8ece80b3 Cyril Hrubis 2013-04-29 1774 * requested mapping. Account for the pages it would unmap. e8420a8ece80b3 Cyril Hrubis 2013-04-29 1775 */ 059c8a0bb96791 Liam R. Howlett 2020-11-10 1776 nr_pages = count_vma_pages_range(mm, addr, end); e8420a8ece80b3 Cyril Hrubis 2013-04-29 1777 84638335900f19 Konstantin Khlebnikov 2016-01-14 1778 if (!may_expand_vm(mm, vm_flags, 84638335900f19 Konstantin Khlebnikov 2016-01-14 1779 (len >> PAGE_SHIFT) - nr_pages)) e8420a8ece80b3 Cyril Hrubis 2013-04-29 1780 return -ENOMEM; e8420a8ece80b3 Cyril Hrubis 2013-04-29 1781 } e8420a8ece80b3 Cyril Hrubis 2013-04-29 1782 059c8a0bb96791 Liam R. Howlett 2020-11-10 1783 /* Unmap any existing mapping in the area */ 059c8a0bb96791 Liam R. Howlett 2020-11-10 1784 if (do_munmap(mm, addr, len, uf)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1785 return -ENOMEM; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1786 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1787 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1788 * Private writable mapping: check memory availability ^1da177e4c3f41 Linus Torvalds 2005-04-16 1789 */ 5a6fe125950676 Mel Gorman 2009-02-10 1790 if (accountable_mapping(file, vm_flags)) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1791 charged = len >> PAGE_SHIFT; 191c542442fdf5 Al Viro 2012-02-13 1792 if (security_vm_enough_memory_mm(mm, charged)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1793 return -ENOMEM; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1794 vm_flags |= VM_ACCOUNT; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1795 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1796 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1797 059c8a0bb96791 Liam R. Howlett 2020-11-10 1798 if (vm_flags & VM_SPECIAL) { 059c8a0bb96791 Liam R. Howlett 2020-11-10 1799 prev = mas_prev(&mas, 0); 059c8a0bb96791 Liam R. Howlett 2020-11-10 1800 goto cannot_expand; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1801 } 059c8a0bb96791 Liam R. Howlett 2020-11-10 1802 059c8a0bb96791 Liam R. Howlett 2020-11-10 1803 /* Attempt to expand an old mapping */ 059c8a0bb96791 Liam R. Howlett 2020-11-10 1804 059c8a0bb96791 Liam R. Howlett 2020-11-10 1805 /* Check next */ 059c8a0bb96791 Liam R. Howlett 2020-11-10 1806 next = mas_next(&mas, ULONG_MAX); 059c8a0bb96791 Liam R. Howlett 2020-11-10 1807 if (next && next->vm_start == end && vma_policy(next) && 059c8a0bb96791 Liam R. Howlett 2020-11-10 1808 can_vma_merge_before(next, vm_flags, NULL, file, pgoff+pglen, 059c8a0bb96791 Liam R. Howlett 2020-11-10 1809 NULL_VM_UFFD_CTX)) { 059c8a0bb96791 Liam R. Howlett 2020-11-10 1810 merge_end = next->vm_end; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1811 vma = next; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1812 vm_pgoff = next->vm_pgoff - pglen; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1813 } 059c8a0bb96791 Liam R. Howlett 2020-11-10 1814 059c8a0bb96791 Liam R. Howlett 2020-11-10 1815 /* Check prev */ 059c8a0bb96791 Liam R. Howlett 2020-11-10 1816 prev = mas_prev(&mas, 0); 059c8a0bb96791 Liam R. Howlett 2020-11-10 1817 if (prev && prev->vm_end == addr && !vma_policy(prev) && 059c8a0bb96791 Liam R. Howlett 2020-11-10 1818 can_vma_merge_after(prev, vm_flags, NULL, file, pgoff, 059c8a0bb96791 Liam R. Howlett 2020-11-10 1819 NULL_VM_UFFD_CTX)) { 059c8a0bb96791 Liam R. Howlett 2020-11-10 1820 merge_start = prev->vm_start; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1821 vma = prev; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1822 vm_pgoff = prev->vm_pgoff; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1823 } 059c8a0bb96791 Liam R. Howlett 2020-11-10 1824 059c8a0bb96791 Liam R. Howlett 2020-11-10 1825 059c8a0bb96791 Liam R. Howlett 2020-11-10 1826 /* Actually expand, if possible */ 059c8a0bb96791 Liam R. Howlett 2020-11-10 1827 if (vma && 059c8a0bb96791 Liam R. Howlett 2020-11-10 1828 !vma_expand(&mas, vma, merge_start, merge_end, vm_pgoff, next)) { 059c8a0bb96791 Liam R. Howlett 2020-11-10 1829 khugepaged_enter_vma_merge(prev, vm_flags); 059c8a0bb96791 Liam R. Howlett 2020-11-10 1830 goto expanded; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1831 } 059c8a0bb96791 Liam R. Howlett 2020-11-10 1832 059c8a0bb96791 Liam R. Howlett 2020-11-10 1833 mas_set_range(&mas, addr, end - 1); 059c8a0bb96791 Liam R. Howlett 2020-11-10 1834 cannot_expand: ^1da177e4c3f41 Linus Torvalds 2005-04-16 1835 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1836 * Determine the object being mapped and call the appropriate ^1da177e4c3f41 Linus Torvalds 2005-04-16 1837 * specific mapper. the address has already been validated, but ^1da177e4c3f41 Linus Torvalds 2005-04-16 1838 * not unmapped, but the maps are removed from the list. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1839 */ 490fc053865c9c Linus Torvalds 2018-07-21 1840 vma = vm_area_alloc(mm); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1841 if (!vma) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1842 error = -ENOMEM; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1843 goto unacct_error; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1844 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1845 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1846 vma->vm_start = addr; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1847 vma->vm_end = end; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1848 vma->vm_flags = vm_flags; 3ed75eb8f1cd89 Coly Li 2007-10-18 1849 vma->vm_page_prot = vm_get_page_prot(vm_flags); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1850 vma->vm_pgoff = pgoff; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1851 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1852 if (file) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1853 if (vm_flags & VM_DENYWRITE) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1854 error = deny_write_access(file); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1855 if (error) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1856 goto free_vma; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1857 } 4bb5f5d9395bc1 David Herrmann 2014-08-08 1858 if (vm_flags & VM_SHARED) { 4bb5f5d9395bc1 David Herrmann 2014-08-08 1859 error = mapping_map_writable(file->f_mapping); 4bb5f5d9395bc1 David Herrmann 2014-08-08 1860 if (error) 4bb5f5d9395bc1 David Herrmann 2014-08-08 1861 goto allow_write_and_free_vma; 4bb5f5d9395bc1 David Herrmann 2014-08-08 1862 } 4bb5f5d9395bc1 David Herrmann 2014-08-08 1863 4bb5f5d9395bc1 David Herrmann 2014-08-08 1864 /* ->mmap() can change vma->vm_file, but must guarantee that 4bb5f5d9395bc1 David Herrmann 2014-08-08 1865 * vma_link() below can deny write-access if VM_DENYWRITE is set 4bb5f5d9395bc1 David Herrmann 2014-08-08 1866 * and map writably if VM_SHARED is set. This usually means the 4bb5f5d9395bc1 David Herrmann 2014-08-08 1867 * new file must not have been exposed to user-space, yet. 4bb5f5d9395bc1 David Herrmann 2014-08-08 1868 */ cb0942b8124979 Al Viro 2012-08-27 1869 vma->vm_file = get_file(file); f74ac01520c9f6 Miklos Szeredi 2017-02-20 1870 error = call_mmap(file, vma); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1871 if (error) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1872 goto unmap_and_free_vma; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1873 309d08d9b3a365 Liu Zixian 2020-12-05 1874 /* Can addr have changed?? 309d08d9b3a365 Liu Zixian 2020-12-05 1875 * 309d08d9b3a365 Liu Zixian 2020-12-05 1876 * Answer: Yes, several device drivers can do it in their 309d08d9b3a365 Liu Zixian 2020-12-05 1877 * f_op->mmap method. -DaveM 309d08d9b3a365 Liu Zixian 2020-12-05 1878 * Bug: If addr is changed, prev, rb_link, rb_parent should 309d08d9b3a365 Liu Zixian 2020-12-05 1879 * be updated for vma_link() 309d08d9b3a365 Liu Zixian 2020-12-05 1880 */ 309d08d9b3a365 Liu Zixian 2020-12-05 1881 WARN_ON_ONCE(addr != vma->vm_start); 309d08d9b3a365 Liu Zixian 2020-12-05 1882 309d08d9b3a365 Liu Zixian 2020-12-05 1883 addr = vma->vm_start; 309d08d9b3a365 Liu Zixian 2020-12-05 1884 d70cec8983241a Miaohe Lin 2020-08-06 1885 /* If vm_flags changed after call_mmap(), we should try merge vma again d70cec8983241a Miaohe Lin 2020-08-06 1886 * as we may succeed this time. d70cec8983241a Miaohe Lin 2020-08-06 1887 */ 059c8a0bb96791 Liam R. Howlett 2020-11-10 1888 if (unlikely(vm_flags != vma->vm_flags && prev && 059c8a0bb96791 Liam R. Howlett 2020-11-10 1889 prev->vm_end == addr && !vma_policy(prev) && 059c8a0bb96791 Liam R. Howlett 2020-11-10 1890 can_vma_merge_after(prev, vm_flags, NULL, file, 059c8a0bb96791 Liam R. Howlett 2020-11-10 1891 pgoff, NULL_VM_UFFD_CTX))) { 059c8a0bb96791 Liam R. Howlett 2020-11-10 1892 merge_start = prev->vm_start; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1893 vm_pgoff = prev->vm_pgoff; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1894 if (!vma_expand(&mas, prev, merge_start, merge_end, 059c8a0bb96791 Liam R. Howlett 2020-11-10 @1895 vm_pgoff, next)) { bc4fe4cdd602b3 Miaohe Lin 2020-10-10 1896 /* ->mmap() can change vma->vm_file and fput the original file. So bc4fe4cdd602b3 Miaohe Lin 2020-10-10 1897 * fput the vma->vm_file here or we would add an extra fput for file bc4fe4cdd602b3 Miaohe Lin 2020-10-10 1898 * and cause general protection fault ultimately. bc4fe4cdd602b3 Miaohe Lin 2020-10-10 1899 */ bc4fe4cdd602b3 Miaohe Lin 2020-10-10 1900 fput(vma->vm_file); d70cec8983241a Miaohe Lin 2020-08-06 1901 vm_area_free(vma); 059c8a0bb96791 Liam R. Howlett 2020-11-10 1902 vma = prev; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1903 /* Update vm_flags and possible addr to pick up the change. We don't 059c8a0bb96791 Liam R. Howlett 2020-11-10 1904 * warn here if addr changed as the vma is not linked by vma_link(). 059c8a0bb96791 Liam R. Howlett 2020-11-10 1905 */ 059c8a0bb96791 Liam R. Howlett 2020-11-10 1906 addr = vma->vm_start; d70cec8983241a Miaohe Lin 2020-08-06 1907 vm_flags = vma->vm_flags; d70cec8983241a Miaohe Lin 2020-08-06 1908 goto unmap_writable; d70cec8983241a Miaohe Lin 2020-08-06 1909 } d70cec8983241a Miaohe Lin 2020-08-06 1910 } d70cec8983241a Miaohe Lin 2020-08-06 1911 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1912 vm_flags = vma->vm_flags; f8dbf0a7a4c5d9 Huang Shijie 2009-09-21 1913 } else if (vm_flags & VM_SHARED) { f8dbf0a7a4c5d9 Huang Shijie 2009-09-21 1914 error = shmem_zero_setup(vma); f8dbf0a7a4c5d9 Huang Shijie 2009-09-21 1915 if (error) f8dbf0a7a4c5d9 Huang Shijie 2009-09-21 1916 goto free_vma; bfd40eaff5abb9 Kirill A. Shutemov 2018-07-26 1917 } else { bfd40eaff5abb9 Kirill A. Shutemov 2018-07-26 1918 vma_set_anonymous(vma); f8dbf0a7a4c5d9 Huang Shijie 2009-09-21 1919 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1920 c462ac288f2c97 Catalin Marinas 2019-11-25 1921 /* Allow architectures to sanity-check the vm_flags */ c462ac288f2c97 Catalin Marinas 2019-11-25 1922 if (!arch_validate_flags(vma->vm_flags)) { c462ac288f2c97 Catalin Marinas 2019-11-25 1923 error = -EINVAL; c462ac288f2c97 Catalin Marinas 2019-11-25 1924 if (file) c462ac288f2c97 Catalin Marinas 2019-11-25 1925 goto unmap_and_free_vma; c462ac288f2c97 Catalin Marinas 2019-11-25 1926 else c462ac288f2c97 Catalin Marinas 2019-11-25 1927 goto free_vma; c462ac288f2c97 Catalin Marinas 2019-11-25 1928 } c462ac288f2c97 Catalin Marinas 2019-11-25 1929 059c8a0bb96791 Liam R. Howlett 2020-11-10 1930 mas.index = mas.last = addr; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1931 mas_walk(&mas); 059c8a0bb96791 Liam R. Howlett 2020-11-10 1932 vma_mas_link(mm, vma, &mas, prev); 4d3d5b41a72b52 Oleg Nesterov 2008-04-28 1933 /* Once vma denies write, undo our temporary denial count */ 4bb5f5d9395bc1 David Herrmann 2014-08-08 1934 if (file) { d70cec8983241a Miaohe Lin 2020-08-06 1935 unmap_writable: 4bb5f5d9395bc1 David Herrmann 2014-08-08 1936 if (vm_flags & VM_SHARED) 4bb5f5d9395bc1 David Herrmann 2014-08-08 1937 mapping_unmap_writable(file->f_mapping); e86867720e6177 Oleg Nesterov 2013-09-11 1938 if (vm_flags & VM_DENYWRITE) e86867720e6177 Oleg Nesterov 2013-09-11 1939 allow_write_access(file); 4bb5f5d9395bc1 David Herrmann 2014-08-08 1940 } e86867720e6177 Oleg Nesterov 2013-09-11 1941 file = vma->vm_file; 059c8a0bb96791 Liam R. Howlett 2020-11-10 1942 expanded: cdd6c482c9ff9c Ingo Molnar 2009-09-21 1943 perf_event_mmap(vma); 0a4a93919bdc5c Peter Zijlstra 2009-03-30 1944 84638335900f19 Konstantin Khlebnikov 2016-01-14 1945 vm_stat_account(mm, vm_flags, len >> PAGE_SHIFT); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1946 if (vm_flags & VM_LOCKED) { e1fb4a0864958f Dave Jiang 2018-08-17 1947 if ((vm_flags & VM_SPECIAL) || vma_is_dax(vma) || e1fb4a0864958f Dave Jiang 2018-08-17 1948 is_vm_hugetlb_page(vma) || e1fb4a0864958f Dave Jiang 2018-08-17 1949 vma == get_gate_vma(current->mm)) de60f5f10c58d4 Eric B Munson 2015-11-05 1950 vma->vm_flags &= VM_LOCKED_CLEAR_MASK; e1fb4a0864958f Dave Jiang 2018-08-17 1951 else e1fb4a0864958f Dave Jiang 2018-08-17 1952 mm->locked_vm += (len >> PAGE_SHIFT); bebeb3d68b24bb Michel Lespinasse 2013-02-22 1953 } 2b144498350860 Srikar Dronamraju 2012-02-09 1954 c7a3a88c938fbe Oleg Nesterov 2012-08-19 1955 if (file) c7a3a88c938fbe Oleg Nesterov 2012-08-19 1956 uprobe_mmap(vma); 2b144498350860 Srikar Dronamraju 2012-02-09 1957 d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1958 /* d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1959 * New (or expanded) vma always get soft dirty status. d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1960 * Otherwise user-space soft-dirty page tracker won't d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1961 * be able to distinguish situation when vma area unmapped, d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1962 * then new mapped in-place (which must be aimed as d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1963 * a completely new data area). d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1964 */ d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1965 vma->vm_flags |= VM_SOFTDIRTY; d9104d1ca96624 Cyrill Gorcunov 2013-09-11 1966 64e455079e1bd7 Peter Feiner 2014-10-13 1967 vma_set_page_prot(vma); 64e455079e1bd7 Peter Feiner 2014-10-13 1968 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1969 return addr; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1970 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1971 unmap_and_free_vma: 1527f926fd0449 Christian König 2020-10-09 1972 fput(vma->vm_file); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1973 vma->vm_file = NULL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1974 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1975 /* Undo any partial mapping done by a device driver. */ e0da382c92626a Hugh Dickins 2005-04-19 1976 unmap_region(mm, vma, prev, vma->vm_start, vma->vm_end); e0da382c92626a Hugh Dickins 2005-04-19 1977 charged = 0; 4bb5f5d9395bc1 David Herrmann 2014-08-08 1978 if (vm_flags & VM_SHARED) 4bb5f5d9395bc1 David Herrmann 2014-08-08 1979 mapping_unmap_writable(file->f_mapping); 4bb5f5d9395bc1 David Herrmann 2014-08-08 1980 allow_write_and_free_vma: 4bb5f5d9395bc1 David Herrmann 2014-08-08 1981 if (vm_flags & VM_DENYWRITE) 4bb5f5d9395bc1 David Herrmann 2014-08-08 1982 allow_write_access(file); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1983 free_vma: 3928d4f5ee37cd Linus Torvalds 2018-07-21 1984 vm_area_free(vma); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1985 unacct_error: ^1da177e4c3f41 Linus Torvalds 2005-04-16 1986 if (charged) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1987 vm_unacct_memory(charged); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1988 return error; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1989 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1990 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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