The quilt patch titled
Subject: mm/huge_memory: fix comment of __pud_trans_huge_lock
has been removed from the -mm tree. Its filename was
mm-huge_memory-fix-comment-of-__pud_trans_huge_lock.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/huge_memory: fix comment of __pud_trans_huge_lock
Date: Mon, 4 Jul 2022 21:21:48 +0800
__pud_trans_huge_lock returns page table lock pointer if a given pud maps
a thp instead of 'true' since introduced. Fix corresponding comments.
Link: https://lkml.kernel.org/r/20220704132201.14611-4-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Acked-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Cc: Zach O'Keefe <zokeefe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/mm/huge_memory.c~mm-huge_memory-fix-comment-of-__pud_trans_huge_lock
+++ a/mm/huge_memory.c
@@ -1906,10 +1906,10 @@ spinlock_t *__pmd_trans_huge_lock(pmd_t
}
/*
- * Returns true if a given pud maps a thp, false otherwise.
+ * Returns page table lock pointer if a given pud maps a thp, NULL otherwise.
*
- * Note that if it returns true, this routine returns without unlocking page
- * table lock. So callers must unlock it.
+ * Note that if it returns page table lock pointer, this routine returns without
+ * unlocking page table lock. So callers must unlock it.
*/
spinlock_t *__pud_trans_huge_lock(pud_t *pud, struct vm_area_struct *vma)
{
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-hugetlb-avoid-corrupting-page-mapping-in-hugetlb_mcopy_atomic_pte.patch
mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch
mm-mmapc-fix-missing-call-to-vm_unacct_memory-in-mmap_region.patch
filemap-minor-cleanup-for-filemap_write_and_wait_range.patch
mm-remove-obsolete-comment-in-do_fault_around.patch
