The patch titled
Subject: mm-huge_memory-remove-stale-locking-logic-from-__split_huge_pmd-fix
has been added to the -mm tree. Its filename is
mm-huge_memory-remove-stale-locking-logic-from-__split_huge_pmd-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-huge_memory-remove-stale-locking-logic-from-__split_huge_pmd-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-huge_memory-remove-stale-locking-logic-from-__split_huge_pmd-fix.patch
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 and is updated
there every 3-4 working days
------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-huge_memory-remove-stale-locking-logic-from-__split_huge_pmd-fix
simplificatoin, per Yang Shi
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Don Dutile <ddutile@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: Jann Horn <jannh@xxxxxxxxxx>
Cc: Jason Gunthorpe <jgg@xxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Liang Zhang <zhangliang5@xxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Cc: Nadav Amit <nadav.amit@xxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Peter Xu <peterx@xxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Cc: Shakeel Butt <shakeelb@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
--- a/mm/huge_memory.c~mm-huge_memory-remove-stale-locking-logic-from-__split_huge_pmd-fix
+++ a/mm/huge_memory.c
@@ -2151,12 +2151,10 @@ void __split_huge_pmd(struct vm_area_str
goto out;
}
- if (pmd_trans_huge(*pmd)) {
- if (!folio)
- folio = page_folio(pmd_page(*pmd));
- } else if (!(pmd_devmap(*pmd) || is_pmd_migration_entry(*pmd)))
- goto out;
- __split_huge_pmd_locked(vma, pmd, range.start, freeze);
+ if (pmd_trans_huge(*pmd) || pmd_devmap(*pmd) ||
+ is_pmd_migration_entry(*pmd))
+ __split_huge_pmd_locked(vma, pmd, range.start, freeze);
+
out:
spin_unlock(ptl);
/*
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
memcg-sync-flush-only-if-periodic-flush-is-delayed-fix.patch
remove-bdi_congested-and-wb_congested-and-related-functions-fix.patch
mm.patch
documentation-vm-page_ownerrst-update-the-documentation-fix.patch
mm-list_lru-replace-linear-array-with-xarray-fix.patch
mm-hwpoison-inject-support-injecting-hwpoison-to-free-page-fix.patch
mm-export-pageheadhuge-fix.patch
userfaultfd-provide-unmasked-address-on-page-fault-v3-fix.patch
mm-mempolicy-convert-from-atomic_t-to-refcount_t-on-mempolicy-refcnt-fix.patch
mm-handle-uninitialized-numa-nodes-gracefully-fix.patch
mm-memory_hotplug-remove-obsolete-comment-of-__add_pages-fix.patch
proc-alloc-path_max-bytes-for-proc-pid-fd-symlinks-fix.patch
taskstats-remove-unneeded-dead-assignment-fix.patch
linux-next-rejects.patch
linux-next-git-rejects.patch
arch-x86-kernel-resourcec-needs-spinlockh.patch
mm-oom_killc-fix-vm_oom_kill_table-ifdeffery.patch
kasan-improve-vmalloc-tests-fix-3-fix.patch
mm-huge_memory-remove-stale-locking-logic-from-__split_huge_pmd-fix.patch
mutex-subsystem-synchro-test-module-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
