From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,willy@infradead.org,songmuchun@bytedance.com,ryan.roberts@arm.com,peterx@redhat.com,muchun.song@linux.dev,hughd@google.com,fengwei.yin@intel.com,david@redhat.com,akpm@linux-foundation.org
Subject: + mm-huge_memory-page_remove_rmap-folio_remove_rmap_pmd.patch added to mm-unstable branch
Date: Thu, 21 Dec 2023 14:29:57 -0800 [thread overview]
Message-ID: <20231221222957.B58ECC433CA@smtp.kernel.org> (raw)
The patch titled
Subject: mm/huge_memory: page_remove_rmap() -> folio_remove_rmap_pmd()
has been added to the -mm mm-unstable branch. Its filename is
mm-huge_memory-page_remove_rmap-folio_remove_rmap_pmd.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-huge_memory-page_remove_rmap-folio_remove_rmap_pmd.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: David Hildenbrand <david@redhat.com>
Subject: mm/huge_memory: page_remove_rmap() -> folio_remove_rmap_pmd()
Date: Wed, 20 Dec 2023 23:44:49 +0100
Let's convert zap_huge_pmd() and set_pmd_migration_entry(). While at it,
perform some more folio conversion.
Link: https://lkml.kernel.org/r/20231220224504.646757-26-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/huge_memory.c | 26 ++++++++++++++------------
1 file changed, 14 insertions(+), 12 deletions(-)
--- a/mm/huge_memory.c~mm-huge_memory-page_remove_rmap-folio_remove_rmap_pmd
+++ a/mm/huge_memory.c
@@ -1898,7 +1898,7 @@ int zap_huge_pmd(struct mmu_gather *tlb,
if (pmd_present(orig_pmd)) {
page = pmd_page(orig_pmd);
- page_remove_rmap(page, vma, true);
+ folio_remove_rmap_pmd(page_folio(page), page, vma);
VM_BUG_ON_PAGE(page_mapcount(page) < 0, page);
VM_BUG_ON_PAGE(!PageHead(page), page);
} else if (thp_migration_supported()) {
@@ -2433,12 +2433,13 @@ static void __split_huge_pmd_locked(stru
page = pfn_swap_entry_to_page(entry);
} else {
page = pmd_page(old_pmd);
- if (!PageDirty(page) && pmd_dirty(old_pmd))
- set_page_dirty(page);
- if (!PageReferenced(page) && pmd_young(old_pmd))
- SetPageReferenced(page);
- page_remove_rmap(page, vma, true);
- put_page(page);
+ folio = page_folio(page);
+ if (!folio_test_dirty(folio) && pmd_dirty(old_pmd))
+ folio_set_dirty(folio);
+ if (!folio_test_referenced(folio) && pmd_young(old_pmd))
+ folio_set_referenced(folio);
+ folio_remove_rmap_pmd(folio, page, vma);
+ folio_put(folio);
}
add_mm_counter(mm, mm_counter_file(page), -HPAGE_PMD_NR);
return;
@@ -2593,7 +2594,7 @@ static void __split_huge_pmd_locked(stru
pte_unmap(pte - 1);
if (!pmd_migration)
- page_remove_rmap(page, vma, true);
+ folio_remove_rmap_pmd(folio, page, vma);
if (freeze)
put_page(page);
@@ -3536,6 +3537,7 @@ late_initcall(split_huge_pages_debugfs);
int set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw,
struct page *page)
{
+ struct folio *folio = page_folio(page);
struct vm_area_struct *vma = pvmw->vma;
struct mm_struct *mm = vma->vm_mm;
unsigned long address = pvmw->address;
@@ -3551,14 +3553,14 @@ int set_pmd_migration_entry(struct page_
pmdval = pmdp_invalidate(vma, address, pvmw->pmd);
/* See page_try_share_anon_rmap(): invalidate PMD first. */
- anon_exclusive = PageAnon(page) && PageAnonExclusive(page);
+ anon_exclusive = folio_test_anon(folio) && PageAnonExclusive(page);
if (anon_exclusive && page_try_share_anon_rmap(page)) {
set_pmd_at(mm, address, pvmw->pmd, pmdval);
return -EBUSY;
}
if (pmd_dirty(pmdval))
- set_page_dirty(page);
+ folio_set_dirty(folio);
if (pmd_write(pmdval))
entry = make_writable_migration_entry(page_to_pfn(page));
else if (anon_exclusive)
@@ -3575,8 +3577,8 @@ int set_pmd_migration_entry(struct page_
if (pmd_uffd_wp(pmdval))
pmdswp = pmd_swp_mkuffd_wp(pmdswp);
set_pmd_at(mm, address, pvmw->pmd, pmdswp);
- page_remove_rmap(page, vma, true);
- put_page(page);
+ folio_remove_rmap_pmd(folio, page, vma);
+ folio_put(folio);
trace_set_migration_pmd(address, pmd_val(pmdswp));
return 0;
_
Patches currently in -mm which might be from david@redhat.com are
mm-rmap-rename-hugepage_add-to-hugetlb_add.patch
mm-rmap-introduce-and-use-hugetlb_remove_rmap.patch
mm-rmap-introduce-and-use-hugetlb_add_file_rmap.patch
mm-rmap-introduce-and-use-hugetlb_try_dup_anon_rmap.patch
mm-rmap-introduce-and-use-hugetlb_try_share_anon_rmap.patch
mm-rmap-add-hugetlb-sanity-checks-for-anon-rmap-handling.patch
mm-rmap-convert-folio_add_file_rmap_range-into-folio_add_file_rmap_.patch
mm-memory-page_add_file_rmap-folio_add_file_rmap_.patch
mm-huge_memory-page_add_file_rmap-folio_add_file_rmap_pmd.patch
mm-migrate-page_add_file_rmap-folio_add_file_rmap_pte.patch
mm-userfaultfd-page_add_file_rmap-folio_add_file_rmap_pte.patch
mm-rmap-remove-page_add_file_rmap.patch
mm-rmap-factor-out-adding-folio-mappings-into-__folio_add_rmap.patch
mm-rmap-introduce-folio_add_anon_rmap_.patch
mm-huge_memory-batch-rmap-operations-in-__split_huge_pmd_locked.patch
mm-huge_memory-page_add_anon_rmap-folio_add_anon_rmap_pmd.patch
mm-migrate-page_add_anon_rmap-folio_add_anon_rmap_pte.patch
mm-ksm-page_add_anon_rmap-folio_add_anon_rmap_pte.patch
mm-swapfile-page_add_anon_rmap-folio_add_anon_rmap_pte.patch
mm-memory-page_add_anon_rmap-folio_add_anon_rmap_pte.patch
mm-rmap-remove-page_add_anon_rmap.patch
mm-rmap-remove-rmap_compound.patch
mm-rmap-introduce-folio_remove_rmap_.patch
kernel-events-uprobes-page_remove_rmap-folio_remove_rmap_pte.patch
mm-huge_memory-page_remove_rmap-folio_remove_rmap_pmd.patch
mm-khugepaged-page_remove_rmap-folio_remove_rmap_pte.patch
mm-ksm-page_remove_rmap-folio_remove_rmap_pte.patch
mm-memory-page_remove_rmap-folio_remove_rmap_pte.patch
mm-migrate_device-page_remove_rmap-folio_remove_rmap_pte.patch
mm-rmap-page_remove_rmap-folio_remove_rmap_pte.patch
documentation-stop-referring-to-page_remove_rmap.patch
mm-rmap-remove-page_remove_rmap.patch
mm-rmap-convert-page_dup_file_rmap-to-folio_dup_file_rmap_.patch
mm-rmap-introduce-folio_try_dup_anon_rmap_.patch
mm-huge_memory-page_try_dup_anon_rmap-folio_try_dup_anon_rmap_pmd.patch
mm-memory-page_try_dup_anon_rmap-folio_try_dup_anon_rmap_pte.patch
mm-rmap-remove-page_try_dup_anon_rmap.patch
mm-convert-page_try_share_anon_rmap-to-folio_try_share_anon_rmap_.patch
mm-rmap-rename-compound_mapped-to-entirely_mapped.patch
mm-remove-one-last-reference-to-page_add__rmap.patch
reply other threads:[~2023-12-21 22:29 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231221222957.B58ECC433CA@smtp.kernel.org \
--to=akpm@linux-foundation.org \
--cc=david@redhat.com \
--cc=fengwei.yin@intel.com \
--cc=hughd@google.com \
--cc=mm-commits@vger.kernel.org \
--cc=muchun.song@linux.dev \
--cc=peterx@redhat.com \
--cc=ryan.roberts@arm.com \
--cc=songmuchun@bytedance.com \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.