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mm: remove obsolete comment in do_fault_around()

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Since commit 7267ec008b ("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>
This commit is contained in:
Miaohe Lin 2022-07-16 16:03:59 +08:00 committed by akpm
parent b717d6b93b
commit 0f0b6931ff
1 changed files with 0 additions and 4 deletions
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4
mm/memory.c
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@ -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.
*