mm/compaction: fix a typo in comment "pessemistic"->"pessimistic"

There is a typo in comment, fix it.

Signed-off-by: Ethon Paul <ethp@qq.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Link: http://lkml.kernel.org/r/20200411070307.16021-1-ethp@qq.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/compaction.c b/mm/compaction.c
index 14d2fe2..fd988b7 100644 (file)
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1401,7 +1401,7 @@ fast_isolate_freepages(struct compact_control *cc)
                if (scan_start) {
                        /*
                         * Use the highest PFN found above min. If one was
-                        * not found, be pessemistic for direct compaction
+                        * not found, be pessimistic for direct compaction
                         * and use the min mark.
                         */
                        if (highest) {