linux-kernel - [PATCH] mm: fix some spelling mistakes in comments

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Date:   Fri, 27 Nov 2020 09:17:47 +0800
From:   Haitao Shi <shihaitao1@...wei.com>
To:     <akpm@...ux-foundation.org>, <rppt@...nel.org>,
        <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
CC:     <shihaitao1@...wei.com>, <wangle6@...wei.com>
Subject: [PATCH] mm: fix some spelling mistakes in comments

Fix some spelling mistakes in comments:
	udpate ==> update
	succesful ==> successful
	exmaple ==> example
	unneccessary ==> unnecessary
	stoping ==> stopping
	uknown ==> unknown

Signed-off-by: Haitao Shi <shihaitao1@...wei.com>
---
 mm/filemap.c     | 2 +-
 mm/huge_memory.c | 2 +-
 mm/khugepaged.c  | 2 +-
 mm/memblock.c    | 2 +-
 mm/migrate.c     | 2 +-
 mm/page_ext.c    | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/mm/filemap.c b/mm/filemap.c
index 3ebbe64..8826c48 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1359,7 +1359,7 @@ static int __wait_on_page_locked_async(struct page *page,
 	else
 		ret = PageLocked(page);
 	/*
-	 * If we were succesful now, we know we're still on the
+	 * If we were successful now, we know we're still on the
 	 * waitqueue as we're still under the lock. This means it's
 	 * safe to remove and return success, we know the callback
 	 * isn't going to trigger.
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index ec2bb93..0fea0c2 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2356,7 +2356,7 @@ static void __split_huge_page_tail(struct page *head, int tail,
 	 * Clone page flags before unfreezing refcount.
 	 *
 	 * After successful get_page_unless_zero() might follow flags change,
-	 * for exmaple lock_page() which set PG_waiters.
+	 * for example lock_page() which set PG_waiters.
 	 */
 	page_tail->flags &= ~PAGE_FLAGS_CHECK_AT_PREP;
 	page_tail->flags |= (head->flags &
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 4e3dff1..d6f7ede 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1273,7 +1273,7 @@ static int khugepaged_scan_pmd(struct mm_struct *mm,
 			 * PTEs are armed with uffd write protection.
 			 * Here we can also mark the new huge pmd as
 			 * write protected if any of the small ones is
-			 * marked but that could bring uknown
+			 * marked but that could bring unknown
 			 * userfault messages that falls outside of
 			 * the registered range.  So, just be simple.
 			 */
diff --git a/mm/memblock.c b/mm/memblock.c
index b68ee86..086662a 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -871,7 +871,7 @@ int __init_memblock memblock_physmem_add(phys_addr_t base, phys_addr_t size)
  * @base: base address of the region
  * @size: size of the region
  * @set: set or clear the flag
- * @flag: the flag to udpate
+ * @flag: the flag to update
  *
  * This function isolates region [@base, @base + @size), and sets/clears flag
  *
diff --git a/mm/migrate.c b/mm/migrate.c
index 5795cb8..8a3580c 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -2548,7 +2548,7 @@ static bool migrate_vma_check_page(struct page *page)
 		 * will bump the page reference count. Sadly there is no way to
 		 * differentiate a regular pin from migration wait. Hence to
 		 * avoid 2 racing thread trying to migrate back to CPU to enter
-		 * infinite loop (one stoping migration because the other is
+		 * infinite loop (one stopping migration because the other is
 		 * waiting on pte migration entry). We always return true here.
 		 *
 		 * FIXME proper solution is to rework migration_entry_wait() so
diff --git a/mm/page_ext.c b/mm/page_ext.c
index a3616f7..cf931eb 100644
--- a/mm/page_ext.c
+++ b/mm/page_ext.c
@@ -34,7 +34,7 @@
  *
  * The need callback is used to decide whether extended memory allocation is
  * needed or not. Sometimes users want to deactivate some features in this
- * boot and extra memory would be unneccessary. In this case, to avoid
+ * boot and extra memory would be unnecessary. In this case, to avoid
  * allocating huge chunk of memory, each clients represent their need of
  * extra memory through the need callback. If one of the need callbacks
  * returns true, it means that someone needs extra memory so that
-- 
2.10.1