From: Christoph Hellwig <hch@infradead.org>
To: Muchun Song <songmuchun@bytedance.com>
Cc: willy@infradead.org, akpm@linux-foundation.org,
hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com,
shakeelb@google.com, guro@fb.com, shy828301@gmail.com,
alexs@kernel.org, alexander.h.duyck@linux.intel.com,
richard.weiyang@gmail.com, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 7/9] ida: introduce ida_max() to return the maximum allocated ID
Date: Thu, 29 Apr 2021 07:47:51 +0100 [thread overview]
Message-ID: <20210429064751.GA2216380@infradead.org> (raw)
In-Reply-To: <20210428094949.43579-8-songmuchun@bytedance.com>
On Wed, Apr 28, 2021 at 05:49:47PM +0800, Muchun Song wrote:
> Introduce ida_max() to return the maximum allocated ID. This will be
> used by memory cgroup in the later patch.
Please also add a lower-level xa_max as this funcationalty would also
come in handy at the xarray level in a few places.
next prev parent reply other threads:[~2021-04-29 6:49 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-28 9:49 [PATCH 0/9] Shrink the list lru size on memory cgroup removal Muchun Song
2021-04-28 9:49 ` [PATCH 1/9] mm: list_lru: fix list_lru_count_one() return value Muchun Song
2021-04-28 9:49 ` [PATCH 2/9] mm: memcontrol: remove kmemcg_id reparenting Muchun Song
2021-04-28 9:49 ` [PATCH 3/9] mm: list_lru: rename memcg_drain_all_list_lrus to memcg_reparent_list_lrus Muchun Song
2021-04-28 9:49 ` [PATCH 4/9] mm: memcontrol: remove the kmem states Muchun Song
2021-04-28 9:49 ` [PATCH 5/9] mm: memcontrol: move memcg_online_kmem() to mem_cgroup_css_online() Muchun Song
2021-04-28 9:49 ` [PATCH 6/9] mm: list_lru: support for shrinking list lru Muchun Song
2021-04-28 9:49 ` [PATCH 7/9] ida: introduce ida_max() to return the maximum allocated ID Muchun Song
2021-04-29 6:47 ` Christoph Hellwig [this message]
2021-04-29 7:36 ` [External] " Muchun Song
2021-04-28 9:49 ` [PATCH 8/9] mm: memcontrol: shrink the list lru size Muchun Song
2021-04-28 9:49 ` [PATCH 9/9] mm: memcontrol: rename memcg_{get,put}_cache_ids to memcg_list_lru_resize_{lock,unlock} Muchun Song
2021-04-28 23:32 ` [PATCH 0/9] Shrink the list lru size on memory cgroup removal Shakeel Butt
2021-04-29 3:05 ` [External] " Muchun Song
2021-04-30 0:49 ` Dave Chinner
2021-04-30 1:39 ` Roman Gushchin
2021-04-30 3:27 ` Dave Chinner
2021-04-30 8:32 ` [External] " Muchun Song
2021-05-01 3:10 ` Roman Gushchin
2021-05-01 3:27 ` Matthew Wilcox
2021-05-02 23:58 ` Dave Chinner
2021-05-03 6:33 ` Muchun Song
2021-05-05 1:13 ` Dave Chinner
2021-05-07 5:45 ` Muchun Song
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