Message ID | 20250314213757.244258-5-npache@redhat.com (mailing list archive) |
---|---|
State | New |
Headers | show
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Fri, 14 Mar 2025 21:38:34 +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 A74201944E42; Fri, 14 Mar 2025 21:38:28 +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 4/4] xen: balloon: update the NR_BALLOON_PAGES state Date: Fri, 14 Mar 2025 15:37:57 -0600 Message-ID: <20250314213757.244258-5-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-Server: rspam04 X-Rspamd-Queue-Id: 07BA9140002 X-Stat-Signature: ogt1q38yqi7hpiwporg3e1b4n6xjahn3 X-HE-Tag: 1741988321-513644 X-HE-Meta: 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 ggeu5fQS gtF9CA+UQA6gtHAA4ymVW9Bzyl5KbL2++cmnXltYm92D1d98CFquQfTsQixKY2QMlowW8VYHAdS+Iz/mErHA/vR53XTZilhOHwBgj74zy8e577Ve7q9FPuiWYjZV0GrmisC5+0vLoL//siGzeFQjL681hFwVReWiIHyioZoC0s07rh+GnTplApJoxHG7ho2I8aIt0JUDHAKL+QjMdX0SSkHZG3Q0BSfYvcFWaVizNIBVJfR1Ax6mTqEjis/rknfKOEYGbq0kJtscyH0bLdiwnY0TZ/Op8oqgeFvXTH/S9AaMajes7g/VMIfGmJAplD2yIRwVP9j7A9OntTYdBGELDrV19R6URxEdbshVtZpgB6+2K0E9jcuoQos2QEppZ+1S/SB82tb02tTLkOox86XxzUSxNXA== 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/drivers/xen/balloon.c b/drivers/xen/balloon.c index 163f7f1d70f1..65d4e7fa1eb8 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -157,6 +157,8 @@ static void balloon_append(struct page *page) list_add(&page->lru, &ballooned_pages); balloon_stats.balloon_low++; } + inc_node_page_state(page, NR_BALLOON_PAGES); + wake_up(&balloon_wq); } @@ -179,6 +181,8 @@ static struct page *balloon_retrieve(bool require_lowmem) balloon_stats.balloon_low--; __ClearPageOffline(page); + dec_node_page_state(page, NR_BALLOON_PAGES); + return page; }
Update the NR_BALLOON_PAGES counter when pages are added to or removed from the Xen balloon. Signed-off-by: Nico Pache <npache@redhat.com> --- drivers/xen/balloon.c | 4 ++++ 1 file changed, 4 insertions(+)