diff options
| author | nimisolo <[email protected]> | 2016-07-26 15:24:56 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2016-07-26 16:19:19 -0700 |
| commit | ef3cc4db415e0cee73ea37ac6d79821d77f15f1d (patch) | |
| tree | 329abdce8dd6bc2b90cb14b35017d95ae6f8871c | |
| parent | 8a5c743e308dd2b90ad10d1faaa7a1b09173a132 (diff) | |
mm/memblock.c:memblock_add_range(): if nr_new is 0 just return
If nr_new is 0 which means there's no region would be added, so just
return to the caller.
Signed-off-by: nimisolo <[email protected]>
Cc: Alexander Kuleshov <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Tang Chen <[email protected]>
Cc: Wei Yang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/memblock.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/memblock.c b/mm/memblock.c index ac1248933b31..ca099159b45a 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -584,6 +584,9 @@ repeat: nid, flags); } + if (!nr_new) + return 0; + /* * If this was the first round, resize array and repeat for actual * insertions; otherwise, merge and return. |