tree 162df1711beca7f301a0c1d8b1967dde7012e72c
parent d27050641e9bc056446deb0814e7ba1aa7911f5a
author Konstantin Khlebnikov <koct9i@gmail.com> 1401923130 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1401926031 -0700

tools/vm/page-types.c: catch sigbus if raced with truncate

Recently added page-cache dumping is known to be a little bit racy.
But after race with truncate it just dies due to unhandled SIGBUS
when it tries to poke pages beyond the new end of file.
This patch adds handler for SIGBUS which skips the rest of the file.

Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>