linux-kernel - [RFC PATCH 01/12] khugepaged: Rename hpage_collapse_scan

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Message-Id: <20241216165105.56185-2-dev.jain@arm.com>
Date: Mon, 16 Dec 2024 22:20:54 +0530
From: Dev Jain <dev.jain@....com>
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	Dev Jain <dev.jain@....com>
Subject: [RFC PATCH 01/12] khugepaged: Rename hpage_collapse_scan_pmd() -> ptes()

Rename prior to generalizing the collapse function.

Signed-off-by: Dev Jain <dev.jain@....com>
---
 mm/khugepaged.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 99dc995aac11..95643e6e5f31 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -605,7 +605,7 @@ static int __collapse_huge_page_isolate(struct vm_area_struct *vma,
 		folio = page_folio(page);
 		VM_BUG_ON_FOLIO(!folio_test_anon(folio), folio);
 
-		/* See hpage_collapse_scan_pmd(). */
+		/* See hpage_collapse_scan_ptes(). */
 		if (folio_likely_mapped_shared(folio)) {
 			++shared;
 			if (cc->is_khugepaged &&
@@ -991,7 +991,7 @@ static int check_pmd_still_valid(struct mm_struct *mm,
 
 /*
  * Bring missing pages in from swap, to complete THP collapse.
- * Only done if hpage_collapse_scan_pmd believes it is worthwhile.
+ * Only done if hpage_collapse_scan_ptes believes it is worthwhile.
  *
  * Called and returns without pte mapped or spinlocks held.
  * Returns result: if not SCAN_SUCCEED, mmap_lock has been released.
@@ -1263,7 +1263,7 @@ static int collapse_huge_page(struct mm_struct *mm, unsigned long address,
 	return result;
 }
 
-static int hpage_collapse_scan_pmd(struct mm_struct *mm,
+static int hpage_collapse_scan_ptes(struct mm_struct *mm,
 				   struct vm_area_struct *vma,
 				   unsigned long address, bool *mmap_locked,
 				   struct collapse_control *cc)
@@ -2457,7 +2457,7 @@ static unsigned int khugepaged_scan_mm_slot(unsigned int pages, int *result,
 					mmap_read_unlock(mm);
 				}
 			} else {
-				*result = hpage_collapse_scan_pmd(mm, vma,
+				*result = hpage_collapse_scan_ptes(mm, vma,
 					khugepaged_scan.address, &mmap_locked, cc);
 			}
 
@@ -2792,7 +2792,7 @@ int madvise_collapse(struct vm_area_struct *vma, struct vm_area_struct **prev,
 							  cc);
 			fput(file);
 		} else {
-			result = hpage_collapse_scan_pmd(mm, vma, addr,
+			result = hpage_collapse_scan_ptes(mm, vma, addr,
 							 &mmap_locked, cc);
 		}
 		if (!mmap_locked)
-- 
2.30.2