From: Andrew Morton <akpm@linux-foundation.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: kent.overstreet@linux.dev, corbet@lwn.net, arnd@arndb.de,
mcgrof@kernel.org, rppt@kernel.org, paulmck@kernel.org,
thuth@redhat.com, tglx@linutronix.de, bp@alien8.de,
xiongwei.song@windriver.com, ardb@kernel.org, david@redhat.com,
vbabka@suse.cz, mhocko@suse.com, hannes@cmpxchg.org,
roman.gushchin@linux.dev, dave@stgolabs.net, willy@infradead.org,
liam.howlett@oracle.com, pasha.tatashin@soleen.com,
souravpanda@google.com, keescook@chromium.org, dennis@kernel.org,
jhubbard@nvidia.com, yuzhao@google.com, vvvvvv@google.com,
rostedt@goodmis.org, iamjoonsoo.kim@lge.com, rientjes@google.com,
minchan@google.com, kaleshsingh@google.com,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org, linux-mm@kvack.org,
linux-modules@vger.kernel.org, kernel-team@android.com
Subject: Re: [PATCH v3 0/5] page allocation tag compression
Date: Mon, 14 Oct 2024 16:32:31 -0700 [thread overview]
Message-ID: <20241014163231.9ef058c82de8a6073b3edfdc@linux-foundation.org> (raw)
In-Reply-To: <20241014203646.1952505-1-surenb@google.com>
On Mon, 14 Oct 2024 13:36:41 -0700 Suren Baghdasaryan <surenb@google.com> wrote:
> Patch #2 copies module tags into virtually contiguous memory which
> serves two purposes:
> - Lets us deal with the situation when module is unloaded while there
> are still live allocations from that module. Since we are using a copy
> version of the tags we can safely unload the module. Space and gaps in
> this contiguous memory are managed using a maple tree.
Does this make "lib: alloc_tag_module_unload must wait for pending
kfree_rcu calls" unneeded? If so, that patch was cc:stable
(justifyably), so what to do about that?
next prev parent reply other threads:[~2024-10-14 23:32 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-14 20:36 Suren Baghdasaryan
2024-10-14 20:36 ` [PATCH v3 1/5] maple_tree: add mas_for_each_rev() helper Suren Baghdasaryan
2024-10-16 1:48 ` Liam R. Howlett
2024-10-16 5:33 ` Suren Baghdasaryan
2024-10-14 20:36 ` [PATCH v3 2/5] alloc_tag: load module tags into separate contiguous memory Suren Baghdasaryan
2024-10-14 23:51 ` Andrew Morton
2024-10-15 2:10 ` Suren Baghdasaryan
2024-10-15 21:08 ` Shakeel Butt
2024-10-15 22:59 ` Suren Baghdasaryan
2024-10-14 20:36 ` [PATCH v3 3/5] alloc_tag: populate memory for module tags as needed Suren Baghdasaryan
2024-10-15 12:15 ` Mike Rapoport
2024-10-15 14:49 ` Suren Baghdasaryan
2024-10-14 20:36 ` [PATCH v3 4/5] alloc_tag: introduce pgalloc_tag_ref to abstract page tag references Suren Baghdasaryan
2024-10-14 20:36 ` [PATCH v3 5/5] alloc_tag: config to store page allocation tag refs in page flags Suren Baghdasaryan
2024-10-14 23:48 ` Yosry Ahmed
2024-10-14 23:53 ` John Hubbard
2024-10-14 23:56 ` Yosry Ahmed
2024-10-15 0:03 ` John Hubbard
2024-10-15 1:40 ` Matthew Wilcox
2024-10-15 2:03 ` Suren Baghdasaryan
2024-10-15 1:58 ` Suren Baghdasaryan
2024-10-15 8:10 ` Yosry Ahmed
2024-10-15 15:06 ` Suren Baghdasaryan
2024-10-15 7:32 ` David Hildenbrand
2024-10-15 14:59 ` Suren Baghdasaryan
2024-10-15 15:42 ` David Hildenbrand
2024-10-15 15:58 ` Suren Baghdasaryan
2024-10-18 13:03 ` Michal Hocko
2024-10-18 16:04 ` Suren Baghdasaryan
2024-10-18 17:08 ` Michal Hocko
2024-10-18 17:45 ` Suren Baghdasaryan
2024-10-18 21:57 ` Suren Baghdasaryan
2024-10-21 7:26 ` Michal Hocko
2024-10-21 9:13 ` David Hildenbrand
2024-10-21 15:05 ` Suren Baghdasaryan
2024-10-21 15:34 ` Michal Hocko
2024-10-21 15:41 ` Suren Baghdasaryan
2024-10-21 15:49 ` David Hildenbrand
2024-10-21 15:57 ` Michal Hocko
2024-10-21 16:16 ` Suren Baghdasaryan
2024-10-21 16:23 ` Michal Hocko
2024-10-21 16:32 ` Suren Baghdasaryan
2024-10-21 18:12 ` John Hubbard
2024-10-21 7:21 ` Michal Hocko
2024-10-14 23:32 ` Andrew Morton [this message]
2024-10-15 1:48 ` [PATCH v3 0/5] page allocation tag compression Suren Baghdasaryan
2024-10-15 16:26 ` Suren Baghdasaryan
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