[PATCH v2] mm/hugetlb: Fix a typo in comment "manitained"->"maintained"

[Ethon Paul <ethp@qq.com>]

There are some typos in comment, fix them.

line 133, s/manitained/maintained
line 83, s/mased on/based on
line 472, s/ruturns/returns
line 987, s/reverves/reserves
line 1489, s/ Otherwse/Otherwise
line 4431, s/a active/an active

Signed-off-by: Ethon Paul <ethp@qq.com>
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>

---
v1->v2:
	Added some other typos found by Ralph
---
 mm/hugetlb.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index f5fb53fdfa02..161e065137d3 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -81,7 +81,7 @@ static inline void unlock_or_release_subpool(struct hugepage_subpool *spool)
 	spin_unlock(&spool->lock);
 
 	/* If no pages are used, and no other handles to the subpool
-	 * remain, give up any reservations mased on minimum size and
+	 * remain, give up any reservations based on minimum size and
 	 * free the subpool */
 	if (free) {
 		if (spool->min_hpages != -1)
@@ -129,7 +129,7 @@ void hugepage_put_subpool(struct hugepage_subpool *spool)
  * the request.  Otherwise, return the number of pages by which the
  * global pools must be adjusted (upward).  The returned value may
  * only be different than the passed value (delta) in the case where
- * a subpool minimum size must be manitained.
+ * a subpool minimum size must be maintained.
  */
 static long hugepage_subpool_get_pages(struct hugepage_subpool *spool,
 				      long delta)
@@ -469,7 +469,7 @@ static int allocate_file_region_entries(struct resv_map *resv,
  *
  * Return the number of new huge pages added to the map.  This number is greater
  * than or equal to zero.  If file_region entries needed to be allocated for
- * this operation and we were not able to allocate, it ruturns -ENOMEM.
+ * this operation and we were not able to allocate, it returns -ENOMEM.
  * region_add of regions of length 1 never allocate file_regions and cannot
  * fail; region_chg will always allocate at least 1 entry and a region_add for
  * 1 page will only require at most 1 entry.
@@ -984,7 +984,7 @@ static bool vma_has_reserves(struct vm_area_struct *vma, long chg)
 		 * We know VM_NORESERVE is not set.  Therefore, there SHOULD
 		 * be a region map for all pages.  The only situation where
 		 * there is no region map is if a hole was punched via
-		 * fallocate.  In this case, there really are no reverves to
+		 * fallocate.  In this case, there really are no reserves to
 		 * use.  This situation is indicated if chg != 0.
 		 */
 		if (chg)
@@ -1486,7 +1486,7 @@ static void prep_compound_gigantic_page(struct page *page, unsigned int order)
 		 * For gigantic hugepages allocated through bootmem at
 		 * boot, it's safer to be consistent with the not-gigantic
 		 * hugepages and clear the PG_reserved bit from all tail pages
-		 * too.  Otherwse drivers using get_user_pages() to access tail
+		 * too.  Otherwise drivers using get_user_pages() to access tail
 		 * pages may get the reference counting wrong if they see
 		 * PG_reserved set on a tail page (despite the head page not
 		 * having PG_reserved set).  Enforcing this consistency between
@@ -4428,7 +4428,7 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 	/*
 	 * entry could be a migration/hwpoison entry at this point, so this
 	 * check prevents the kernel from going below assuming that we have
-	 * a active hugepage in pagecache. This goto expects the 2nd page fault,
+	 * an active hugepage in pagecache. This goto expects the 2nd page fault,
 	 * and is_hugetlb_entry_(migration|hwpoisoned) check will properly
 	 * handle it.
 	 */
-- 
2.24.1 (Apple Git-126)