On Sat, Mar 20, 2021 at 05:36:57AM -0400, Miaohe Lin wrote:
> The !PageLocked() check is implicitly done in PageMovable(). Remove this
> explicit one.
>

I'd just keep the explicit assertion in place, regardless.
But if you're going to stick with this patch, please fix it because it's 
removing the wrong assertion.


> Signed-off-by: Miaohe Lin <linmia...@huawei.com>
> ---
>  mm/migrate.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/mm/migrate.c b/mm/migrate.c
> index 47df0df8f21a..e4ca5ef508ea 100644
> --- a/mm/migrate.c
> +++ b/mm/migrate.c
> @@ -146,7 +146,6 @@ 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);
>  
>       mapping = page_mapping(page);
> -- 
> 2.19.1
> 
> 

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