The patch titled
Subject: mm/hugetlb: convert hugetlb_add_to_page_cache to take in a folio
has been added to the -mm mm-unstable branch. Its filename is
mm-hugetlb-convert-hugetlb_add_to_page_cache-to-take-in-a-folio.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-hugetlb-convert-hugetlb_add_to_page_cache-to-take-in-a-folio.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: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Subject: mm/hugetlb: convert hugetlb_add_to_page_cache to take in a folio
Date: Wed, 25 Jan 2023 09:05:35 -0800
Every caller of hugetlb_add_to_page_cache() is now passing in
&folio->page, change the function to take in a folio directly and clean up
the call sites.
Link: https://lkml.kernel.org/r/20230125170537.96973-7-sidhartha.kumar@xxxxxxxxxx
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Cc: Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: kernel test robot <lkp@xxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/fs/hugetlbfs/inode.c~mm-hugetlb-convert-hugetlb_add_to_page_cache-to-take-in-a-folio
+++ a/fs/hugetlbfs/inode.c
@@ -871,7 +871,7 @@ static long hugetlbfs_fallocate(struct f
}
clear_huge_page(&folio->page, addr, pages_per_huge_page(h));
__folio_mark_uptodate(folio);
- error = hugetlb_add_to_page_cache(&folio->page, mapping, index);
+ error = hugetlb_add_to_page_cache(folio, mapping, index);
if (unlikely(error)) {
restore_reserve_on_error(h, &pseudo_vma, addr, folio);
folio_put(folio);
--- a/include/linux/hugetlb.h~mm-hugetlb-convert-hugetlb_add_to_page_cache-to-take-in-a-folio
+++ a/include/linux/hugetlb.h
@@ -722,7 +722,7 @@ struct folio *alloc_hugetlb_folio_nodema
nodemask_t *nmask, gfp_t gfp_mask);
struct folio *alloc_hugetlb_folio_vma(struct hstate *h, struct vm_area_struct *vma,
unsigned long address);
-int hugetlb_add_to_page_cache(struct page *page, struct address_space *mapping,
+int hugetlb_add_to_page_cache(struct folio *folio, struct address_space *mapping,
pgoff_t idx);
void restore_reserve_on_error(struct hstate *h, struct vm_area_struct *vma,
unsigned long address, struct folio *folio);
--- a/mm/hugetlb.c~mm-hugetlb-convert-hugetlb_add_to_page_cache-to-take-in-a-folio
+++ a/mm/hugetlb.c
@@ -5662,10 +5662,9 @@ static bool hugetlbfs_pagecache_present(
return present;
}
-int hugetlb_add_to_page_cache(struct page *page, struct address_space *mapping,
+int hugetlb_add_to_page_cache(struct folio *folio, struct address_space *mapping,
pgoff_t idx)
{
- struct folio *folio = page_folio(page);
struct inode *inode = mapping->host;
struct hstate *h = hstate_inode(inode);
int err;
@@ -5677,7 +5676,7 @@ int hugetlb_add_to_page_cache(struct pag
__folio_clear_locked(folio);
return err;
}
- ClearHPageRestoreReserve(page);
+ folio_clear_hugetlb_restore_reserve(folio);
/*
* mark folio dirty so that it will not be removed from cache/file
@@ -5836,7 +5835,7 @@ static vm_fault_t hugetlb_no_page(struct
new_folio = true;
if (vma->vm_flags & VM_MAYSHARE) {
- int err = hugetlb_add_to_page_cache(&folio->page, mapping, idx);
+ int err = hugetlb_add_to_page_cache(folio, mapping, idx);
if (err) {
/*
* err can't be -EEXIST which implies someone
@@ -6269,7 +6268,7 @@ int hugetlb_mcopy_atomic_pte(struct mm_s
* hugetlb_fault_mutex_table that here must be hold by
* the caller.
*/
- ret = hugetlb_add_to_page_cache(&folio->page, mapping, idx);
+ ret = hugetlb_add_to_page_cache(folio, mapping, idx);
if (ret)
goto out_release_nounlock;
folio_in_pagecache = true;
_
Patches currently in -mm which might be from sidhartha.kumar@xxxxxxxxxx are
mm-remove-the-hugetlb-field-from-struct-page.patch
mm-memory-failure-convert-__get_huge_page_for_hwpoison-to-folios.patch
mm-memory-failure-convert-try_memory_failure_hugetlb-to-folios.patch
mm-memory-failure-convert-hugetlb_clear_page_hwpoison-to-folios.patch
mm-memory-failure-convert-free_raw_hwp_pages-to-folios.patch
mm-memory-failure-convert-raw_hwp_list_head-to-folios.patch
mm-memory-failure-convert-__free_raw_hwp_pages-to-folios.patch
mm-memory-failure-convert-hugetlb_set_page_hwpoison-to-folios.patch
mm-memory-failure-convert-unpoison_memory-to-folios.patch
mm-hugetlb-convert-isolate_hugetlb-to-folios.patch
mm-hugetlb-convert-__update_and_free_page-to-folios.patch
mm-hugetlb-convert-dequeue_hugetlb_page-functions-to-folios.patch
mm-hugetlb-convert-alloc_surplus_huge_page-to-folios.patch
mm-hugetlb-increase-use-of-folios-in-alloc_huge_page.patch
mm-hugetlb-convert-alloc_migrate_huge_page-to-folios.patch
mm-hugetlb-convert-restore_reserve_on_error-to-folios.patch
mm-hugetlb-convert-demote_free_huge_page-to-folios.patch
mm-hugetlb-convert-get_hwpoison_huge_page-to-folios.patch
mm-hugetlb-convert-hugetlb_install_page-to-folios.patch
mm-hugetlb-convert-hugetlbfs_pagecache_present-to-folios.patch
mm-hugetlb-convert-putback_active_hugepage-to-take-in-a-folio.patch
mm-hugetlb-convert-hugetlb-fault-paths-to-use-alloc_hugetlb_folio.patch
mm-hugetlb-convert-restore_reserve_on_error-to-take-in-a-folio.patch
mm-hugetlb-convert-hugetlb_add_to_page_cache-to-take-in-a-folio.patch
mm-hugetlb-convert-hugetlb_wp-to-take-in-a-folio.patch
documentation-mm-update-hugetlbfs-documentation-to-mention-alloc_hugetlb_folio.patch
