[30/45] mm,mincore: Enable mincore_pte_range to handle hugetlb vmas

Commit Message

Oscar Salvador July 4, 2024, 4:31 a.m. UTC

PMD-mapped hugetlb vmas will also mincore_pte_range.
Add the required code so it knows how to handle those there.

Signed-off-by: Oscar Salvador <[e-mail]>
---
 mm/mincore.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Patch

diff --git a/mm/mincore.c b/mm/mincore.c
index d6bd19e520fc..5154bc705f60 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -18,6 +18,7 @@ 
 #include <linux/shmem_fs.h>
 #include <linux/hugetlb.h>
 #include <linux/pgtable.h>
+#include <linux/mm_inline.h>
 
 #include <linux/uaccess.h>
 #include "swap.h"
@@ -106,8 +107,9 @@  static int mincore_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 	unsigned char *vec = walk->private;
 	int nr = (end - addr) >> PAGE_SHIFT;
 
-	ptl = pmd_trans_huge_lock(pmd, vma);
+	ptl = pmd_huge_lock(pmd, vma);
 	if (ptl) {
+		/* Better handling of hugetlb is required (pte marker etc.) */
 		memset(vec, 1, nr);
 		spin_unlock(ptl);
 		goto out;