From: David Hildenbrand <david@redhat.com>
To: Miaohe Lin <linmiaohe@huawei.com>, akpm@linux-foundation.org
Cc: jglisse@redhat.com, shy828301@gmail.com, aquini@redhat.com,
apopple@nvidia.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [PATCH v2 1/5] mm/migrate.c: remove unnecessary VM_BUG_ON_PAGE on putback_movable_page()
Date: Tue, 23 Mar 2021 15:27:13 +0100 [thread overview]
Message-ID: <0017dfc4-05a4-1989-59dc-3f34f7b3517c@redhat.com> (raw)
In-Reply-To: <20210323135405.65059-2-linmiaohe@huawei.com>
On 23.03.21 14:54, Miaohe Lin wrote:
> The !PageLocked() check is implicitly done in PageMovable(). Remove this
> explicit one.
>
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
> ---
> mm/migrate.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/mm/migrate.c b/mm/migrate.c
> index 47df0df8f21a..facec65c7374 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -145,7 +145,6 @@ void putback_movable_page(struct page *page)
> {
> struct address_space *mapping;
>
> - VM_BUG_ON_PAGE(!PageLocked(page), page);
> VM_BUG_ON_PAGE(!PageMovable(page), page);
> VM_BUG_ON_PAGE(!PageIsolated(page), page);
>
>
Reviewed-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2021-03-23 14:27 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-23 13:54 [PATCH v2 0/5] Cleanup and fixup for mm/migrate.c Miaohe Lin
2021-03-23 13:54 ` [PATCH v2 1/5] mm/migrate.c: remove unnecessary VM_BUG_ON_PAGE on putback_movable_page() Miaohe Lin
2021-03-23 14:27 ` David Hildenbrand [this message]
2021-03-24 2:40 ` Miaohe Lin
2021-03-23 17:58 ` Yang Shi
2021-03-24 2:37 ` Miaohe Lin
2021-03-23 13:54 ` [PATCH v2 2/5] mm/migrate.c: remove unnecessary rc != MIGRATEPAGE_SUCCESS check in 'else' case Miaohe Lin
2021-03-23 17:46 ` Yang Shi
2021-03-23 13:54 ` [PATCH v2 3/5] mm/migrate.c: fix potential indeterminate pte entry in migrate_vma_insert_page() Miaohe Lin
2021-03-23 13:54 ` [PATCH v2 4/5] mm/migrate.c: use helper migrate_vma_collect_skip() in migrate_vma_collect_hole() Miaohe Lin
2021-03-23 13:54 ` [PATCH v2 5/5] mm/migrate.c: fix potential deadlock in NUMA balancing shared exec THP case Miaohe Lin
2021-03-23 17:17 ` Yang Shi
2021-03-24 1:16 ` Yang Shi
2021-03-24 2:14 ` Miaohe Lin
2021-03-24 2:03 ` Miaohe Lin
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