From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org, linmiaohe@huawei.com,
akpm@linux-foundation.org
Subject: [merged mm-stable] mm-remove-obsolete-comment-in-do_fault_around.patch removed from -mm tree
Date: Fri, 29 Jul 2022 18:08:19 -0700 [thread overview]
Message-ID: <20220730010820.179EDC433D7@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm: remove obsolete comment in do_fault_around()
has been removed from the -mm tree. Its filename was
mm-remove-obsolete-comment-in-do_fault_around.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@huawei.com>
Subject: mm: remove obsolete comment in do_fault_around()
Date: Sat, 16 Jul 2022 16:03:59 +0800
Since commit 7267ec008b5c ("mm: postpone page table allocation until we
have page to map"), do_fault_around is not called with page table lock
held. Cleanup the corresponding comments.
Link: https://lkml.kernel.org/r/20220716080359.38791-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/memory.c | 4 ----
1 file changed, 4 deletions(-)
--- a/mm/memory.c~mm-remove-obsolete-comment-in-do_fault_around
+++ a/mm/memory.c
@@ -4439,10 +4439,6 @@ late_initcall(fault_around_debugfs);
* It uses vm_ops->map_pages() to map the pages, which skips the page if it's
* not ready to be mapped: not up-to-date, locked, etc.
*
- * This function is called with the page table lock taken. In the split ptlock
- * case the page table lock only protects only those entries which belong to
- * the page table corresponding to the fault address.
- *
* This function doesn't cross the VMA boundaries, in order to call map_pages()
* only once.
*
_
Patches currently in -mm which might be from linmiaohe@huawei.com are
mm-hugetlb-avoid-corrupting-page-mapping-in-hugetlb_mcopy_atomic_pte.patch
mm-page_alloc-minor-clean-up-for-memmap_init_compound.patch
reply other threads:[~2022-07-30 1:08 UTC|newest]
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