linux-kernel - [PATCH] mm/hugetlb: Fix some typos in hugetlb module

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Message-Id: <20250927064926.1496579-1-jianyungao89@gmail.com>
Date: Sat, 27 Sep 2025 14:49:26 +0800
From: "jianyun.gao" <jianyungao89@...il.com>
To: linux-mm@...ck.org
Cc: "jianyun.gao" <jianyungao89@...il.com>,
	Muchun Song <muchun.song@...ux.dev>,
	Oscar Salvador <osalvador@...e.de>,
	David Hildenbrand <david@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] mm/hugetlb: Fix some typos in hugetlb module

There are som typos in the code comments as follows:

  differenciate ==> differentiate
  refernece ==> reference
  permissons ==> permissions
  indepdenent ==> independent
  Spliting ==> Splitting

Just fix it.

Signed-off-by: jianyun.gao <jianyungao89@...il.com>
---
 mm/hugetlb.c         | 6 +++---
 mm/hugetlb_vmemmap.c | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index eed59cfb5d21..8ff9edd09504 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2954,7 +2954,7 @@ typedef enum {
 	 * NOTE: This is mostly identical to MAP_CHG_NEEDED, except
 	 * that currently vma_needs_reservation() has an unwanted side
 	 * effect to either use end() or commit() to complete the
-	 * transaction.	 Hence it needs to differenciate from NEEDED.
+	 * transaction.	 Hence it needs to differentiate from NEEDED.
 	 */
 	MAP_CHG_ENFORCED = 2,
 } map_chg_state;
@@ -5998,7 +5998,7 @@ void __unmap_hugepage_range(struct mmu_gather *tlb, struct vm_area_struct *vma,
 	/*
 	 * If we unshared PMDs, the TLB flush was not recorded in mmu_gather. We
 	 * could defer the flush until now, since by holding i_mmap_rwsem we
-	 * guaranteed that the last refernece would not be dropped. But we must
+	 * guaranteed that the last reference would not be dropped. But we must
 	 * do the flushing before we return, as otherwise i_mmap_rwsem will be
 	 * dropped and the last reference to the shared PMDs page might be
 	 * dropped as well.
@@ -7179,7 +7179,7 @@ long hugetlb_change_protection(struct vm_area_struct *vma,
 		} else if (unlikely(is_pte_marker(pte))) {
 			/*
 			 * Do nothing on a poison marker; page is
-			 * corrupted, permissons do not apply.  Here
+			 * corrupted, permissions do not apply.  Here
 			 * pte_marker_uffd_wp()==true implies !poison
 			 * because they're mutual exclusive.
 			 */
diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
index ba0fb1b6a5a8..e6f79b2c63ee 100644
--- a/mm/hugetlb_vmemmap.c
+++ b/mm/hugetlb_vmemmap.c
@@ -75,7 +75,7 @@ static int vmemmap_split_pmd(pmd_t *pmd, struct page *head, unsigned long start,
 	if (likely(pmd_leaf(*pmd))) {
 		/*
 		 * Higher order allocations from buddy allocator must be able to
-		 * be treated as indepdenent small pages (as they can be freed
+		 * be treated as independent small pages (as they can be freed
 		 * individually).
 		 */
 		if (!PageReserved(head))
@@ -684,7 +684,7 @@ static void __hugetlb_vmemmap_optimize_folios(struct hstate *h,
 		ret = hugetlb_vmemmap_split_folio(h, folio);
 
 		/*
-		 * Spliting the PMD requires allocating a page, thus lets fail
+		 * Splitting the PMD requires allocating a page, thus lets fail
 		 * early once we encounter the first OOM. No point in retrying
 		 * as it can be dynamically done on remap with the memory
 		 * we get back from the vmemmap deduplication.
@@ -715,7 +715,7 @@ static void __hugetlb_vmemmap_optimize_folios(struct hstate *h,
 		/*
 		 * Pages to be freed may have been accumulated.  If we
 		 * encounter an ENOMEM,  free what we have and try again.
-		 * This can occur in the case that both spliting fails
+		 * This can occur in the case that both splitting fails
 		 * halfway and head page allocation also failed. In this
 		 * case __hugetlb_vmemmap_optimize_folio() would free memory
 		 * allowing more vmemmap remaps to occur.
-- 
2.34.1