From: Pasha Tatashin <pasha.tatashin@soleen.com>
To: Suren Baghdasaryan <surenb@google.com>
Cc: akpm@linux-foundation.org, 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,
souravpanda@google.com, keescook@chromium.org,
dennis@kernel.org, jhubbard@nvidia.com, urezki@gmail.com,
hch@infradead.org, petr.pavlu@suse.com, samitolvanen@google.com,
da.gomez@samsung.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,
maple-tree@lists.infradead.org, linux-modules@vger.kernel.org,
kernel-team@android.com
Subject: Re: [PATCH v4 4/6] alloc_tag: populate memory for module tags as needed
Date: Wed, 23 Oct 2024 14:28:54 -0400 [thread overview]
Message-ID: <CA+CK2bD9UQsh8224QqTTAQ_Ybz23BE-DFeubLkf41psXBsMA=A@mail.gmail.com> (raw)
In-Reply-To: <20241023170759.999909-5-surenb@google.com>
On Wed, Oct 23, 2024 at 1:08 PM Suren Baghdasaryan <surenb@google.com> wrote:
>
> The memory reserved for module tags does not need to be backed by
> physical pages until there are tags to store there. Change the way
> we reserve this memory to allocate only virtual area for the tags
> and populate it with physical pages as needed when we load a module.
>
> Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
next prev parent reply other threads:[~2024-10-23 18:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-23 17:07 [PATCH v4 0/6] page allocation tag compression Suren Baghdasaryan
2024-10-23 17:07 ` [PATCH v4 1/6] maple_tree: add mas_for_each_rev() helper Suren Baghdasaryan
2024-10-23 17:24 ` Pasha Tatashin
2024-10-23 17:07 ` [PATCH v4 2/6] alloc_tag: introduce shutdown_mem_profiling helper function Suren Baghdasaryan
2024-10-23 17:26 ` Pasha Tatashin
2024-10-23 17:07 ` [PATCH v4 3/6] alloc_tag: load module tags into separate contiguous memory Suren Baghdasaryan
2024-10-23 18:05 ` Pasha Tatashin
2024-10-23 17:07 ` [PATCH v4 4/6] alloc_tag: populate memory for module tags as needed Suren Baghdasaryan
2024-10-23 18:28 ` Pasha Tatashin [this message]
2024-10-23 17:07 ` [PATCH v4 5/6] alloc_tag: introduce pgtag_ref_handle to abstract page tag references Suren Baghdasaryan
2024-10-23 17:35 ` Pasha Tatashin
2024-10-23 21:00 ` Andrew Morton
2024-10-23 21:09 ` Suren Baghdasaryan
2024-10-24 16:25 ` Suren Baghdasaryan
2024-10-23 17:07 ` [PATCH v4 6/6] alloc_tag: support for page allocation tag compression Suren Baghdasaryan
2024-10-23 18:29 ` Pasha Tatashin
2024-10-24 3:48 ` Suren Baghdasaryan
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