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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-16 11:51:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-16 11:51:08 -0700 |
| commit | 271ecc5253e2b317d729d366560789cd7f93836c (patch) | |
| tree | d3a60bc4dfa8245ff934f357f2367db76b59e7cf /mm/memory.c | |
| parent | aa6865d836418eb2ba888a4cb1318a28e9aa2e0c (diff) | |
| parent | 63c06227a22b098a3849c5c99e836aea161ca0d7 (diff) | |
| download | linux-271ecc5253e2b317d729d366560789cd7f93836c.tar.gz | |
Merge branch 'akpm' (patches from Andrew)
Merge first patch-bomb from Andrew Morton: - some misc things - ofs2 updates - about half of MM - checkpatch updates - autofs4 update * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (120 commits) autofs4: fix string.h include in auto_dev-ioctl.h autofs4: use pr_xxx() macros directly for logging autofs4: change log print macros to not insert newline autofs4: make autofs log prints consistent autofs4: fix some white space errors autofs4: fix invalid ioctl return in autofs4_root_ioctl_unlocked() autofs4: fix coding style line length in autofs4_wait() autofs4: fix coding style problem in autofs4_get_set_timeout() autofs4: coding style fixes autofs: show pipe inode in mount options kallsyms: add support for relative offsets in kallsyms address table kallsyms: don't overload absolute symbol type for percpu symbols x86: kallsyms: disable absolute percpu symbols on !SMP checkpatch: fix another left brace warning checkpatch: improve UNSPECIFIED_INT test for bare signed/unsigned uses checkpatch: warn on bare unsigned or signed declarations without int checkpatch: exclude asm volatile from complex macro check mm: memcontrol: drop unnecessary lru locking from mem_cgroup_migrate() mm: migrate: consolidate mem_cgroup_migrate() calls mm/compaction: speed up pageblock_pfn_to_page() when zone is contiguous ...
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/memory.c b/mm/memory.c index 906d8e3b42c0..0e247642ed5b 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1897,7 +1897,9 @@ int apply_to_page_range(struct mm_struct *mm, unsigned long addr, unsigned long end = addr + size; int err; - BUG_ON(addr >= end); + if (WARN_ON(addr >= end)) + return -EINVAL; + pgd = pgd_offset(mm, addr); do { next = pgd_addr_end(addr, end); @@ -3143,8 +3145,7 @@ static int do_fault(struct mm_struct *mm, struct vm_area_struct *vma, unsigned long address, pte_t *page_table, pmd_t *pmd, unsigned int flags, pte_t orig_pte) { - pgoff_t pgoff = (((address & PAGE_MASK) - - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff; + pgoff_t pgoff = linear_page_index(vma, address); pte_unmap(page_table); /* The VMA was not fully populated on mmap() or missing VM_DONTEXPAND */ |