From: Johannes Weiner <hannes@cmpxchg.org>
To: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
yosryahmed@google.com, nphamcs@gmail.com,
chengming.zhou@linux.dev, usamaarif642@gmail.com,
shakeel.butt@linux.dev, ryan.roberts@arm.com,
ying.huang@intel.com, 21cnbao@gmail.com,
akpm@linux-foundation.org, willy@infradead.org,
nanhai.zou@intel.com, wajdi.k.feghali@intel.com,
vinodh.gopal@intel.com
Subject: Re: [PATCH v9 4/7] mm: Change count_objcg_event() to count_objcg_events() for batch event updates.
Date: Mon, 30 Sep 2024 20:22:07 -0400 [thread overview]
Message-ID: <20241001002207.GA1349@cmpxchg.org> (raw)
In-Reply-To: <20240930221221.6981-5-kanchana.p.sridhar@intel.com>
On Mon, Sep 30, 2024 at 03:12:18PM -0700, Kanchana P Sridhar wrote:
> With the introduction of zswap_store() swapping out large folios,
> we need to efficiently update the objcg's memcg events once per
> successfully stored folio. For instance, the 'ZSWPOUT' event needs
> to be incremented by folio_nr_pages().
>
> To facilitate this, the existing count_objcg_event() API is modified
> to be count_objcg_events() that additionally accepts a count parameter.
> The only existing calls to count_objcg_event() are in zswap.c - these
> have been modified to call count_objcg_events() with a count of 1.
>
> Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@intel.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
next prev parent reply other threads:[~2024-10-01 0:22 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-30 22:12 [PATCH v9 0/7] mm: zswap swap-out of large folios Kanchana P Sridhar
2024-09-30 22:12 ` [PATCH v9 1/7] mm: Define obj_cgroup_get() if CONFIG_MEMCG is not defined Kanchana P Sridhar
2024-09-30 22:12 ` [PATCH v9 2/7] mm: zswap: Modify zswap_compress() to accept a page instead of a folio Kanchana P Sridhar
2024-09-30 22:16 ` Yosry Ahmed
2024-09-30 22:12 ` [PATCH v9 3/7] mm: zswap: Rename zswap_pool_get() to zswap_pool_tryget() Kanchana P Sridhar
2024-09-30 22:12 ` [PATCH v9 4/7] mm: Change count_objcg_event() to count_objcg_events() for batch event updates Kanchana P Sridhar
2024-09-30 22:18 ` Yosry Ahmed
2024-09-30 22:59 ` Nhat Pham
2024-10-01 0:22 ` Johannes Weiner [this message]
2024-09-30 22:12 ` [PATCH v9 5/7] mm: zswap: Modify zswap_stored_pages to be atomic_long_t Kanchana P Sridhar
2024-09-30 22:12 ` [PATCH v9 6/7] mm: zswap: Support large folios in zswap_store() Kanchana P Sridhar
2024-09-30 23:09 ` Yosry Ahmed
2024-10-01 0:35 ` Sridhar, Kanchana P
2024-10-01 6:00 ` Yosry Ahmed
2024-10-01 16:58 ` Sridhar, Kanchana P
2024-10-01 17:01 ` Yosry Ahmed
2024-10-01 17:09 ` Sridhar, Kanchana P
2024-10-01 21:53 ` Sridhar, Kanchana P
2024-10-01 23:38 ` Yosry Ahmed
2024-10-01 23:44 ` Sridhar, Kanchana P
2024-09-30 23:11 ` Nhat Pham
2024-09-30 23:19 ` Yosry Ahmed
2024-09-30 23:29 ` Nhat Pham
2024-09-30 23:33 ` Yosry Ahmed
2024-09-30 23:43 ` Nhat Pham
2024-10-01 0:47 ` Sridhar, Kanchana P
2024-10-01 1:14 ` Johannes Weiner
2024-10-01 1:53 ` Sridhar, Kanchana P
2024-09-30 22:12 ` [PATCH v9 7/7] mm: swap: Count successful large folio zswap stores in hugepage zswpout stats Kanchana P Sridhar
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