linux-kernel - Re: [PATCH -mm -v4 03/21] mm, THP, swap: Support PMD swap mapping in swap

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Message-ID: <87k1qexlhk.fsf@yhuang-dev.intel.com>
Date:   Mon, 02 Jul 2018 13:19:51 +0800
From:   "Huang\, Ying" <ying.huang@...el.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     Andrew Morton <akpm@...ux-foundation.org>, <linux-mm@...ck.org>,
        <linux-kernel@...r.kernel.org>,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Michal Hocko <mhocko@...e.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Shaohua Li <shli@...nel.org>, Hugh Dickins <hughd@...gle.com>,
        Minchan Kim <minchan@...nel.org>,
        Rik van Riel <riel@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Naoya Horiguchi <n-horiguchi@...jp.nec.com>,
        Zi Yan <zi.yan@...rutgers.edu>,
        Daniel Jordan <daniel.m.jordan@...cle.com>
Subject: Re: [PATCH -mm -v4 03/21] mm, THP, swap: Support PMD swap mapping in swap_duplicate()

Matthew Wilcox <willy@...radead.org> writes:

> On Fri, Jun 22, 2018 at 11:51:33AM +0800, Huang, Ying wrote:
>> +++ b/mm/swap_state.c
>> @@ -433,7 +433,7 @@ struct page *__read_swap_cache_async(swp_entry_t entry, gfp_t gfp_mask,
>>  		/*
>>  		 * Swap entry may have been freed since our caller observed it.
>>  		 */
>> -		err = swapcache_prepare(entry);
>> +		err = swapcache_prepare(entry, false);
>>  		if (err == -EEXIST) {
>>  			radix_tree_preload_end();
>>  			/*
>
> This commit should be just a textual conflict.

Yes.  Will check it.

Best Regards,
Huang, Ying