[PATCH 27/34] mm/memory.c: convert put_page() to put_user_page*()

From: john . hubbard
Date: Thu Aug 01 2019 - 22:23:00 EST


From: John Hubbard <jhubbard@xxxxxxxxxx>

For pages that were retained via get_user_pages*(), release those pages
via the new put_user_page*() routines, instead of via put_page() or
release_pages().

This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
("mm: introduce put_user_page*(), placeholder versions").

Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>
Cc: Huang Ying <ying.huang@xxxxxxxxx>
Cc: JÃrÃme Glisse <jglisse@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxxx>
Cc: Souptick Joarder <jrdr.linux@xxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
---
mm/memory.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory.c b/mm/memory.c
index e2bb51b6242e..8870968496ea 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4337,7 +4337,7 @@ int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm,
buf, maddr + offset, bytes);
}
kunmap(page);
- put_page(page);
+ put_user_page(page);
}
len -= bytes;
buf += bytes;
--
2.22.0