From: Huang Ying <[email protected]>

It's unreasonable to optimize swapping for THP without basic swapping
support.  And this will cause build errors when THP_SWAP functions are
defined in swapfile.c and called elsewhere.

The comments are fixed too to reflect the latest progress.

Signed-off-by: "Huang, Ying" <[email protected]>
Cc: "Kirill A. Shutemov" <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Shaohua Li <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: Dave Hansen <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Cc: Zi Yan <[email protected]>
---
 mm/Kconfig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mm/Kconfig b/mm/Kconfig
index d5004d82a1d6..e39a57cc1343 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -420,10 +420,9 @@ config ARCH_WANTS_THP_SWAP
 
 config THP_SWAP
        def_bool y
-       depends on TRANSPARENT_HUGEPAGE && ARCH_WANTS_THP_SWAP
+       depends on TRANSPARENT_HUGEPAGE && ARCH_WANTS_THP_SWAP && SWAP
        help
          Swap transparent huge pages in one piece, without splitting.
-         XXX: For now this only does clustered swap space allocation.
 
          For selection by architectures with reasonable THP sizes.
 
-- 
2.17.0

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