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mm/gup: convert to arch_make_folio_accessible()

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Let's use arch_make_folio_accessible() instead so we can get rid of
arch_make_page_accessible().

Link: https://lkml.kernel.org/r/20240729183844.388481-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Janosch Frank <frankja@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
David Hildenbrand 2024-07-29 20:38:43 +02:00 committed by Andrew Morton
parent e5a41fc777
commit b967c64890
1 changed files with 5 additions and 3 deletions
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8
mm/gup.c
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@ -819,6 +819,7 @@ static struct page *follow_page_pte(struct vm_area_struct *vma,
struct dev_pagemap **pgmap)
{
struct mm_struct *mm = vma->vm_mm;
struct folio *folio;
struct page *page;
spinlock_t *ptl;
pte_t *ptep, pte;
@ -876,6 +877,7 @@ static struct page *follow_page_pte(struct vm_area_struct *vma,
goto out;
}
}
folio = page_folio(page);
if (!pte_write(pte) && gup_must_unshare(vma, flags, page)) {
page = ERR_PTR(-EMLINK);
@ -886,7 +888,7 @@ static struct page *follow_page_pte(struct vm_area_struct *vma,
!PageAnonExclusive(page), page);
/* try_grab_folio() does nothing unless FOLL_GET or FOLL_PIN is set. */
ret = try_grab_folio(page_folio(page), 1, flags);
ret = try_grab_folio(folio, 1, flags);
if (unlikely(ret)) {
page = ERR_PTR(ret);
goto out;
@ -898,7 +900,7 @@ static struct page *follow_page_pte(struct vm_area_struct *vma,
* Documentation/core-api/pin_user_pages.rst for details.
*/
if (flags & FOLL_PIN) {
ret = arch_make_page_accessible(page);
ret = arch_make_folio_accessible(folio);
if (ret) {
unpin_user_page(page);
page = ERR_PTR(ret);
@ -2919,7 +2921,7 @@ static int gup_fast_pte_range(pmd_t pmd, pmd_t *pmdp, unsigned long addr,
* details.
*/
if (flags & FOLL_PIN) {
ret = arch_make_page_accessible(page);
ret = arch_make_folio_accessible(folio);
if (ret) {
gup_put_folio(folio, 1, flags);
goto pte_unmap;