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| author |   Song Liu <songliubraving@fb.com> | 2019-09-23 15:37:50 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-24 15:54:11 -0700 |
| commit | 520e5ba415906373186bcd3c7cffa3535bfdbdde (patch) | |
| tree | a6d33c8c66bd3865245f93931484427dce1a0eb4 /fs/proc | |
| parent | filemap: check compound_head(page)->mapping in pagecache_get_page() (diff) | |
| download | linux-dev-520e5ba415906373186bcd3c7cffa3535bfdbdde.tar.xz linux-dev-520e5ba415906373186bcd3c7cffa3535bfdbdde.zip | |
filemap: update offset check in filemap_fault()
With THP, current check of offset:
VM_BUG_ON_PAGE(page->index != offset, page);
is no longer accurate. Update it to:
VM_BUG_ON_PAGE(page_to_pgoff(page) != offset, page);
Link: http://lkml.kernel.org/r/20190801184244.3169074-4-songliubraving@fb.com
Signed-off-by: Song Liu <songliubraving@fb.com>
Acked-by: Rik van Riel <riel@surriel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc')
0 files changed, 0 insertions, 0 deletions