The patch titled
Subject: mm/huge_memory: convert has_hwpoisoned into a pure folio flag
has been added to the -mm mm-unstable branch. Its filename is
mm-huge_memory-convert-has_hwpoisoned-into-a-pure-folio-flag.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-convert-has_hwpoisoned-into-a-pure-folio-flag.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@xxxxxxxxxx>
Subject: mm/huge_memory: convert has_hwpoisoned into a pure folio flag
Date: Fri, 10 Jan 2025 19:21:44 +0100
Patch series "mm/hugetlb: folio and migration cleanups".
Some cleanups around more folio conversion and migration handling that I
collected working on random stuff.
This patch (of 6):
Let's stop setting it on pages, there is no need to anymore.
Link: https://lkml.kernel.org/r/20250110182149.746551-1-david@xxxxxxxxxx
Link: https://lkml.kernel.org/r/20250110182149.746551-2-david@xxxxxxxxxx
Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Muchun Song <muchun.song@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/page-flags.h | 6 ++----
mm/huge_memory.c | 2 +-
2 files changed, 3 insertions(+), 5 deletions(-)
--- a/include/linux/page-flags.h~mm-huge_memory-convert-has_hwpoisoned-into-a-pure-folio-flag
+++ a/include/linux/page-flags.h
@@ -948,11 +948,9 @@ TESTPAGEFLAG_FALSE(TransCompound, transc
*
* This flag is set by hwpoison handler. Cleared by THP split or free page.
*/
-PAGEFLAG(HasHWPoisoned, has_hwpoisoned, PF_SECOND)
- TESTSCFLAG(HasHWPoisoned, has_hwpoisoned, PF_SECOND)
+FOLIO_FLAG(has_hwpoisoned, FOLIO_SECOND_PAGE)
#else
-PAGEFLAG_FALSE(HasHWPoisoned, has_hwpoisoned)
- TESTSCFLAG_FALSE(HasHWPoisoned, has_hwpoisoned)
+FOLIO_FLAG_FALSE(has_hwpoisoned)
#endif
/*
--- a/mm/huge_memory.c~mm-huge_memory-convert-has_hwpoisoned-into-a-pure-folio-flag
+++ a/mm/huge_memory.c
@@ -3290,7 +3290,7 @@ static void __split_huge_page(struct pag
/* lock lru list/PageCompound, ref frozen by page_ref_freeze */
lruvec = folio_lruvec_lock(folio);
- ClearPageHasHWPoisoned(head);
+ folio_clear_has_hwpoisoned(folio);
for (i = nr - new_nr; i >= new_nr; i -= new_nr) {
struct folio *tail;
_
Patches currently in -mm which might be from david@xxxxxxxxxx are
docs-tmpfs-update-the-large-folios-policy-for-tmpfs-and-shmem.patch
mm-memory_hotplug-move-debug_pagealloc_map_pages-into-online_pages_range.patch
mm-page_isolation-dont-pass-gfp-flags-to-isolate_single_pageblock.patch
mm-page_isolation-dont-pass-gfp-flags-to-start_isolate_page_range.patch
mm-page_alloc-make-__alloc_contig_migrate_range-static.patch
mm-page_alloc-sort-out-the-alloc_contig_range-gfp-flags-mess.patch
mm-page_alloc-forward-the-gfp-flags-from-alloc_contig_range-to-post_alloc_hook.patch
powernv-memtrace-use-__gfp_zero-with-alloc_contig_pages.patch
mm-hugetlb-dont-map-folios-writable-without-vm_write-when-copying-during-fork.patch
mm-page_alloc-dont-use-__gfp_hardwall-when-migrating-pages-via-alloc_contig.patch
mm-memory_hotplug-dont-use-__gfp_hardwall-when-migrating-pages-via-memory-offlining.patch
mm-huge_memory-convert-has_hwpoisoned-into-a-pure-folio-flag.patch
mm-hugetlb-rename-isolate_hugetlb-to-folio_isolate_hugetlb.patch
mm-migrate-dont-call-folio_putback_active_hugetlb-on-dst-hugetlb-folio.patch
mm-hugetlb-rename-folio_putback_active_hugetlb-to-folio_putback_hugetlb.patch
mm-hugetlb-cgroup-convert-hugetlb_cgroup_css_offline-to-work-on-folios.patch
mm-hugetlb-use-folio-lru-int-demote_free_hugetlb_folios.patch
