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authorDavid Hildenbrand <david@redhat.com>2024-07-29 20:38:43 +0200
committerAndrew Morton <akpm@linux-foundation.org>2024-09-01 20:25:52 -0700
commitb967c64890d2938f16606d82ac6afcf25ed0129a (patch)
treea9138cb597daf0b632c6eb45e79e3f5e437f72c0 /mm/gup.c
parente5a41fc77771c7c7f6b9bef85a02b38b802b7371 (diff)
downloadlwn-b967c64890d2938f16606d82ac6afcf25ed0129a.tar.gz
lwn-b967c64890d2938f16606d82ac6afcf25ed0129a.zip
mm/gup: convert to arch_make_folio_accessible()
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>
Diffstat (limited to 'mm/gup.c')
-rw-r--r--mm/gup.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/gup.c b/mm/gup.c
index 120740cf5a34..3e8484c893aa 100644
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -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;