linux-kernel - [PATCH net-next 2/3] mm: vmalloc: export find_vm

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Message-ID: <20260123082349.42663-3-alibuda@linux.alibaba.com>
Date: Fri, 23 Jan 2026 16:23:48 +0800
From: "D. Wythe" <alibuda@...ux.alibaba.com>
To: "David S. Miller" <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dust Li <dust.li@...ux.alibaba.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Sidraya Jayagond <sidraya@...ux.ibm.com>,
	Uladzislau Rezki <urezki@...il.com>,
	Wenjia Zhang <wenjia@...ux.ibm.com>
Cc: Mahanta Jambigi <mjambigi@...ux.ibm.com>,
	Simon Horman <horms@...nel.org>,
	Tony Lu <tonylu@...ux.alibaba.com>,
	Wen Gu <guwen@...ux.alibaba.com>,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-rdma@...r.kernel.org,
	linux-s390@...r.kernel.org,
	netdev@...r.kernel.org,
	oliver.yang@...ux.alibaba.com
Subject: [PATCH net-next 2/3] mm: vmalloc: export find_vm_area()

find_vm_area() provides a way to find the vm_struct associated with a
virtual address. Export this symbol to modules so that modularized
subsystems can perform lookups on vmalloc addresses.

Signed-off-by: D. Wythe <alibuda@...ux.alibaba.com>
---
 mm/vmalloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index ecbac900c35f..3eb9fe761c34 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -3292,6 +3292,7 @@ struct vm_struct *find_vm_area(const void *addr)
 
 	return va->vm;
 }
+EXPORT_SYMBOL_GPL(find_vm_area);
 
 /**
  * remove_vm_area - find and remove a continuous kernel virtual area
-- 
2.45.0