[folded-merged] mm-allow-anon-exclusive-check-over-hugetlb-tail-pages-fix.patch removed from -mm tree

[folded-merged] mm-allow-anon-exclusive-check-over-hugetlb-tail-pages-fix.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm-allow-anon-exclusive-check-over-hugetlb-tail-pages-fix
has been removed from the -mm tree.  Its filename was
     mm-allow-anon-exclusive-check-over-hugetlb-tail-pages-fix.patch

This patch was dropped because it was folded into mm-allow-anon-exclusive-check-over-hugetlb-tail-pages.patch

------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-allow-anon-exclusive-check-over-hugetlb-tail-pages-fix
Date: Thu Apr  4 01:27:47 PM PDT 2024

simplify PageAnonExclusive(), per Matthew

Link: https://lkml.kernel.org/r/Zg3u5Sh9EbbYPhaI@casper.infradead.org
Cc: David Hildenbrand <david@redhat.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: WANG Xuerui <kernel@xen0n.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/page-flags.h |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--- a/include/linux/page-flags.h~mm-allow-anon-exclusive-check-over-hugetlb-tail-pages-fix
+++ a/include/linux/page-flags.h
@@ -1096,11 +1096,10 @@ static __always_inline int PageAnonExclu
 {
 	VM_BUG_ON_PGFLAGS(!PageAnon(page), page);
 	/*
-	 * Allow the anon-exclusive check to work on hugetlb tail pages.
-	 * Here hugetlb pages will always guarantee the anon-exclusiveness
-	 * of the head page represents the tail pages.
+	 * HugeTLB stores this information on the head page; THP keeps it per
+	 * page
 	 */
-	if (PageHuge(page) && !PageHead(page))
+	if (PageHuge(page))
 		page = compound_head(page);
 	return test_bit(PG_anon_exclusive, &PF_ANY(page, 1)->flags);
 }
_

Patches currently in -mm which might be from akpm@linux-foundation.org are

mm-allow-anon-exclusive-check-over-hugetlb-tail-pages.patch
arm-mm-drop-vm_fault_badmap-vm_fault_badaccess-checkpatch-fixes.patch
mm-hugetlb-rename-dissolve_free_huge_pages-to-dissolve_free_hugetlb_folios-fix.patch
__mod_memcg_lruvec_state-enhance-diagnostics.patch
__mod_memcg_lruvec_state-enhance-diagnostics-fix.patch
binfmt_elf_fdpic-fix-proc-pid-auxv-checkpatch-fixes.patch