Message ID | 20250314213757.244258-3-npache@redhat.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Fri, 14 Mar 2025 21:38:22 +0000 (UTC) Received: from h1.redhat.com (unknown [10.22.80.88]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 6352D1944E42; Fri, 14 Mar 2025 21:38:17 +0000 (UTC) From: Nico Pache <npache@redhat.com> To: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, virtualization@lists.linux.dev Cc: alexander.atanasov@virtuozzo.com, muchun.song@linux.dev, roman.gushchin@linux.dev, mhocko@kernel.org, kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, jgross@suse.com, sstabellini@kernel.org, oleksandr_tyshchenko@epam.com, akpm@linux-foundation.org, mst@redhat.com, david@redhat.com, yosry.ahmed@linux.dev, hannes@cmpxchg.org, nphamcs@gmail.com, chengming.zhou@linux.dev, kanchana.p.sridhar@intel.com, llong@redhat.com, shakeel.butt@linux.dev Subject: [PATCH v2 2/4] balloon_compaction: update the NR_BALLOON_PAGES state Date: Fri, 14 Mar 2025 15:37:55 -0600 Message-ID: <20250314213757.244258-3-npache@redhat.com> In-Reply-To: <20250314213757.244258-1-npache@redhat.com> References: <20250314213757.244258-1-npache@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Rspam-User: X-Rspamd-Queue-Id: 7BCFF4000A X-Rspamd-Server: rspam05 X-Stat-Signature: o8tyrup9ntwutbx4bj6d9cy6p3ys8ht4 X-HE-Tag: 1741988313-481002 X-HE-Meta: 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 Dm++NVfh pHvVre1oXSKlu1a/zwJutoE4eIfeSncF5n1vsfJYOriGmVxrtxa1bP+Mg7eJX+cmlEoJIEKkkxan+ULzfIrINmSu4NVrIKJpuWfUFFGyjkGOrOtgND51hVPrYSjl4HvZOwEgca1EKQDjLh8CDpPWn7tJgKz+lf/1U0fVyxaVqgVwrs28D19VGxJ0qQdsbv4hT5ZqndxzWfIv0SV0o1wc3FzUuNwBcpBrCWT5SO8ppfHrSrrjytfY+KoOWnjJsNfOMW0qnwZ0GZUDUPfvv39teng26G8dXkW0nyuYvynVh+D5i6+jK8P22XtFid8B5SoDb3ZP9hGq6/dcVQJI5Du7vz0vY8IsQ0dZjuuAklt40I3EYzuvhZysohKLzCvUu27p9Ns6n0X5hsNwFfJncjXm3F+lXwQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> List-Subscribe: <mailto:majordomo@kvack.org> List-Unsubscribe: <mailto:majordomo@kvack.org> |
Series |
track memory used by balloon drivers
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expand
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diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c index 6597ebea8ae2..d3e00731e262 100644 --- a/mm/balloon_compaction.c +++ b/mm/balloon_compaction.c @@ -24,6 +24,7 @@ static void balloon_page_enqueue_one(struct balloon_dev_info *b_dev_info, balloon_page_insert(b_dev_info, page); unlock_page(page); __count_vm_event(BALLOON_INFLATE); + inc_node_page_state(page, NR_BALLOON_PAGES); } /** @@ -103,6 +104,7 @@ size_t balloon_page_list_dequeue(struct balloon_dev_info *b_dev_info, __count_vm_event(BALLOON_DEFLATE); list_add(&page->lru, pages); unlock_page(page); + dec_node_page_state(page, NR_BALLOON_PAGES); n_pages++; } spin_unlock_irqrestore(&b_dev_info->pages_lock, flags);
Update the NR_BALLOON_PAGES counter when pages are added or removed using the balloon compaction interface. The virtio, Vmware, and pseries-cmm balloon drivers utilize the balloon_compaction interface to allocate and free balloon pages. Other balloon drivers will have to maintain this counter manually. Signed-off-by: Nico Pache <npache@redhat.com> --- mm/balloon_compaction.c | 2 ++ 1 file changed, 2 insertions(+)