Transparent huge pages can be mlocked -- whole compund page at once.
Something went wrong if we're trying to mlock() tail page.
Let's use PF_NO_TAIL.
Signed-off-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
---
include/linux/page-flags.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index c933416b2f92..31e68a8c2777 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -316,8 +316,10 @@ PAGEFLAG(Unevictable, unevictable, PF_HEAD)
TESTCLEARFLAG(Unevictable, unevictable, PF_HEAD)
#ifdef CONFIG_MMU
-PAGEFLAG(Mlocked, mlocked, PF_ANY) __CLEARPAGEFLAG(Mlocked, mlocked, PF_ANY)
- TESTSCFLAG(Mlocked, mlocked, PF_ANY) __TESTCLEARFLAG(Mlocked, mlocked,
PF_ANY)
+PAGEFLAG(Mlocked, mlocked, PF_NO_TAIL)
+ __CLEARPAGEFLAG(Mlocked, mlocked, PF_NO_TAIL)
+ TESTSCFLAG(Mlocked, mlocked, PF_NO_TAIL)
+ __TESTCLEARFLAG(Mlocked, mlocked, PF_NO_TAIL)
#else
PAGEFLAG_FALSE(Mlocked) __CLEARPAGEFLAG_NOOP(Mlocked)
TESTSCFLAG_FALSE(Mlocked) __TESTCLEARFLAG_FALSE(Mlocked)
--
2.5.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
