netdev - [RFC v2 01/13] mm: export zap_page

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Message-Id: <20201222145221.711-2-xieyongji@bytedance.com>
Date:   Tue, 22 Dec 2020 22:52:09 +0800
From:   Xie Yongji <xieyongji@...edance.com>
To:     mst@...hat.com, jasowang@...hat.com, stefanha@...hat.com,
        sgarzare@...hat.com, parav@...dia.com, akpm@...ux-foundation.org,
        rdunlap@...radead.org, willy@...radead.org,
        viro@...iv.linux.org.uk, axboe@...nel.dk, bcrl@...ck.org,
        corbet@....net
Cc:     virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        kvm@...r.kernel.org, linux-aio@...ck.org,
        linux-fsdevel@...r.kernel.org, linux-mm@...ck.org
Subject: [RFC v2 01/13] mm: export zap_page_range() for driver use

Export zap_page_range() for use in VDUSE.

Signed-off-by: Xie Yongji <xieyongji@...edance.com>
---
 mm/memory.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/memory.c b/mm/memory.c
index 7d608765932b..edd2d6497bb3 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1542,6 +1542,7 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long start,
 	mmu_notifier_invalidate_range_end(&range);
 	tlb_finish_mmu(&tlb, start, range.end);
 }
+EXPORT_SYMBOL(zap_page_range);
 
 /**
  * zap_page_range_single - remove user pages in a given range
-- 
2.11.0