From: "Huang\, Ying" <ying.huang@intel.com>
To: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
Michal Hocko <mhocko@suse.com>,
Johannes Weiner <hannes@cmpxchg.org>,
"Shaohua Li" <shli@kernel.org>, Hugh Dickins <hughd@google.com>,
Minchan Kim <minchan@kernel.org>, Rik van Riel <riel@redhat.com>,
Dan Williams <dan.j.williams@intel.com>
Subject: Re: [PATCH 6/6] swap, put_swap_page: Share more between huge/normal code path
Date: Sat, 14 Jul 2018 20:57:07 +0800 [thread overview]
Message-ID: <87a7qudlgc.fsf@yhuang-dev.intel.com> (raw)
In-Reply-To: <20180713201858.zj43xzsnxqk3ozks@ca-dmjordan1.us.oracle.com> (Daniel Jordan's message of "Fri, 13 Jul 2018 13:18:58 -0700")
Daniel Jordan <daniel.m.jordan@oracle.com> writes:
> On Fri, Jul 13, 2018 at 07:36:36AM +0800, Huang, Ying wrote:
>> From: Huang Ying <ying.huang@intel.com>
>>
>> In this patch, locking related code is shared between huge/normal code
>> path in put_swap_page() to reduce code duplication. And `free_entries
>> == 0` case is merged into more general `free_entries !=
>> SWAPFILE_CLUSTER` case, because the new locking method makes it easy.
>
> Might be a bit easier to think about the two changes if they were split up.
I just think the second change appears too trivial to be a separate patch.
> Agree with Dave's comment from patch 1, but otherwise the series looks ok to
> me. I like the nr_swap_entries macro, that's clever.
Thanks!
Best Regards,
Huang, Ying
prev parent reply other threads:[~2018-07-14 12:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-12 23:36 [PATCH 0/6] swap: THP optimizing refactoring Huang, Ying
2018-07-12 23:36 ` [PATCH 1/6] swap: Add comments to lock_cluster_or_swap_info() Huang, Ying
2018-07-13 10:48 ` Dave Hansen
2018-07-14 4:07 ` Huang, Ying
2018-07-12 23:36 ` [PATCH 2/6] mm/swapfile.c: Replace some #ifdef with IS_ENABLED() Huang, Ying
2018-07-13 18:38 ` Daniel Jordan
2018-07-13 18:55 ` Daniel Jordan
2018-07-12 23:36 ` [PATCH 3/6] swap: Unify normal/huge code path in swap_page_trans_huge_swapped() Huang, Ying
2018-07-13 20:15 ` Daniel Jordan
2018-07-14 12:53 ` Huang, Ying
2018-07-12 23:36 ` [PATCH 4/6] swap: Unify normal/huge code path in put_swap_page() Huang, Ying
2018-07-12 23:36 ` [PATCH 5/6] swap: Add __swap_entry_free_locked() Huang, Ying
2018-07-12 23:36 ` [PATCH 6/6] swap, put_swap_page: Share more between huge/normal code path Huang, Ying
2018-07-13 20:18 ` Daniel Jordan
2018-07-14 12:57 ` Huang, Ying [this message]
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