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authorHuang Ying <ying.huang@intel.com>2016-07-27 00:27:04 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-27 01:19:19 +0200
commit8f19b0c058d93a678a99dd6fec03af2e769943f2 (patch)
tree5af259d8349b7f0915e5ccd32fede06de9acdc7e /mm/huge_memory.c
parentcgroup: remove unnecessary 0 check from css_from_id() (diff)
downloadlinux-8f19b0c058d93a678a99dd6fec03af2e769943f2.tar.xz
linux-8f19b0c058d93a678a99dd6fec03af2e769943f2.zip
thp: fix comments of __pmd_trans_huge_lock()
To make the comments consistent with the already changed code. Link: http://lkml.kernel.org/r/1466200004-6196-1-git-send-email-ying.huang@intel.com Signed-off-by: "Huang, Ying" <ying.huang@intel.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/huge_memory.c')
-rw-r--r--mm/huge_memory.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index d3abbf249fa0..3647334c2ef9 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1458,10 +1458,10 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd,
}
/*
- * Returns true if a given pmd maps a thp, false otherwise.
+ * Returns page table lock pointer if a given pmd maps a thp, NULL otherwise.
*
- * Note that if it returns true, this routine returns without unlocking page
- * table lock. So callers must unlock it.
+ * Note that if it returns page table lock pointer, this routine returns without
+ * unlocking page table lock. So callers must unlock it.
*/
spinlock_t *__pmd_trans_huge_lock(pmd_t *pmd, struct vm_area_struct *vma)
{