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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 | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k (diff) | |
| parent | autofs4: fix string.h include in auto_dev-ioctl.h (diff) | |
| download | linux-dev-271ecc5253e2b317d729d366560789cd7f93836c.tar.xz linux-dev-271ecc5253e2b317d729d366560789cd7f93836c.zip | |
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 */ |