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| author |   Huang Ying <ying.huang@intel.com> | 2016-07-26 15:27:04 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-26 16:19:19 -0700 |
| commit | 8f19b0c058d93a678a99dd6fec03af2e769943f2 (patch) | |
| tree | 5af259d8349b7f0915e5ccd32fede06de9acdc7e /mm/huge_memory.c | |
| parent | cgroup: remove unnecessary 0 check from css_from_id() (diff) | |
| download | linux-dev-8f19b0c058d93a678a99dd6fec03af2e769943f2.tar.xz linux-dev-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.c | 6 |
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) { |