The patch titled
Subject: mm-memremap_pages-replace-zone_device_page_init-with-pgmap_request_folios-fix
has been added to the -mm mm-unstable branch. Its filename is
mm-memremap_pages-replace-zone_device_page_init-with-pgmap_request_folios-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memremap_pages-replace-zone_device_page_init-with-pgmap_request_folios-fix.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-memremap_pages-replace-zone_device_page_init-with-pgmap_request_folios-fix
Date: Wed Oct 19 04:28:52 PM PDT 2022
restore removal of zone_device_page_init
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memremap.c | 12 ------------
1 file changed, 12 deletions(-)
--- a/mm/memremap.c~mm-memremap_pages-replace-zone_device_page_init-with-pgmap_request_folios-fix
+++ a/mm/memremap.c
@@ -518,18 +518,6 @@ void free_zone_device_page(struct page *
put_dev_pagemap(page->pgmap);
}
-void zone_device_page_init(struct page *page)
-{
- /*
- * Drivers shouldn't be allocating pages after calling
- * memunmap_pages().
- */
- WARN_ON_ONCE(!percpu_ref_tryget_live(&page->pgmap->ref));
- set_page_count(page, 1);
- lock_page(page);
-}
-EXPORT_SYMBOL_GPL(zone_device_page_init);
-
static __maybe_unused bool folio_span_valid(struct dev_pagemap *pgmap,
struct folio *folio,
int nr_folios)
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-mmapc-__vma_adjust-suppress-unintialized-var-warning.patch
mm-memremap_pages-replace-zone_device_page_init-with-pgmap_request_folios-fix.patch
mm-hugetlb-convert-free_huge_page-to-folios-fix.patch
vmalloc-add-reviewers-for-vmalloc-code-checkpatch-fixes.patch
powerpc-ptrace-user_regset_copyin_ignore-always-returns-0-fix.patch
minmax-sanity-check-constant-bounds-when-clamping-checkpatch-fixes.patch
minmax-sanity-check-constant-bounds-when-clamping-checkpatch-fixes-fix.patch
proc-report-open-files-as-size-in-stat-for-proc-pid-fd-v3-fix.patch
