diff --git a/include/linux/mm.h b/include/linux/mm.h
index 62a91dc1272b..6b081a8dcf88 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2958,6 +2958,7 @@ struct page *follow_page(struct vm_area_struct *vma, unsigned long address,
 #define FOLL_SPLIT_PMD	0x20000	/* split huge pmd before returning */
 #define FOLL_PIN	0x40000	/* pages must be released via unpin_user_page */
 #define FOLL_FAST_ONLY	0x80000	/* gup_fast: prevent fall-back to slow gup */
+#define FOLL_PCI_P2PDMA	0x100000 /* allow returning PCI P2PDMA pages */
 
 /*
  * FOLL_PIN and FOLL_LONGTERM may be used in various combinations with each
diff --git a/mm/gup.c b/mm/gup.c
index e2f447446384..29e28f020f0b 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -123,6 +123,9 @@ static inline struct folio *try_get_folio(struct page *page, int refs)
  */
 struct folio *try_grab_folio(struct page *page, int refs, unsigned int flags)
 {
+	if (unlikely(!(flags & FOLL_PCI_P2PDMA) && is_pci_p2pdma_page(page)))
+		return NULL;
+
 	if (flags & FOLL_GET)
 		return try_get_folio(page, refs);
 	else if (flags & FOLL_PIN) {
@@ -216,6 +219,9 @@ int __must_check try_grab_page(struct page *page, unsigned int flags)
 	if (WARN_ON_ONCE(folio_ref_count(folio) <= 0))
 		return -ENOMEM;
 
+	if (unlikely(!(flags & FOLL_PCI_P2PDMA) && is_pci_p2pdma_page(page)))
+		return -EREMOTEIO;
+
 	if (flags & FOLL_GET)
 		folio_ref_inc(folio);
 	else if (flags & FOLL_PIN) {
@@ -631,6 +637,7 @@ static struct page *follow_page_pte(struct vm_area_struct *vma,
 		page = ERR_PTR(ret);
 		goto out;
 	}
+
 	/*
 	 * We need to make the page accessible if and only if we are going
 	 * to access its content (the FOLL_PIN case).  Please see
@@ -1060,6 +1067,9 @@ static int check_vma_flags(struct vm_area_struct *vma, unsigned long gup_flags)
 	if ((gup_flags & FOLL_LONGTERM) && vma_is_fsdax(vma))
 		return -EOPNOTSUPP;
 
+	if ((gup_flags & FOLL_LONGTERM) && (gup_flags & FOLL_PCI_P2PDMA))
+		return -EOPNOTSUPP;
+
 	if (vma_is_secretmem(vma))
 		return -EFAULT;
 
@@ -2536,6 +2546,12 @@ static int __gup_device_huge(unsigned long pfn, unsigned long addr,
 			undo_dev_pagemap(nr, nr_start, flags, pages);
 			break;
 		}
+
+		if (!(flags & FOLL_PCI_P2PDMA) && is_pci_p2pdma_page(page)) {
+			undo_dev_pagemap(nr, nr_start, flags, pages);
+			break;
+		}
+
 		SetPageReferenced(page);
 		pages[*nr] = page;
 		if (unlikely(try_grab_page(page, flags))) {
@@ -3020,7 +3036,8 @@ static int internal_get_user_pages_fast(unsigned long start,
 
 	if (WARN_ON_ONCE(gup_flags & ~(FOLL_WRITE | FOLL_LONGTERM |
 				       FOLL_FORCE | FOLL_PIN | FOLL_GET |
-				       FOLL_FAST_ONLY | FOLL_NOFAULT)))
+				       FOLL_FAST_ONLY | FOLL_NOFAULT |
+				       FOLL_PCI_P2PDMA)))
 		return -EINVAL;
 
 	if (gup_flags & FOLL_PIN)
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 67f39550520e..582ec7554927 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -6361,8 +6361,10 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,
 			 * tables. If the huge page is present, then the tail
 			 * pages must also be present. The ptl prevents the
 			 * head page and tail pages from being rearranged in
-			 * any way. So this page must be available at this
-			 * point, unless the page refcount overflowed:
+			 * any way. As this is hugetlb, the pages will never
+			 * be p2pdma or not longterm pinable. So this page
+			 * must be available at this point, unless the page
+			 * refcount overflowed:
 			 */
 			if (WARN_ON_ONCE(!try_grab_folio(pages[i], refs,
 							 flags))) {