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(parent: 62dc459) | patch
staging: erofs: remove rcu_read_lock() in erofs_try_to_free_cached_page
authorGao Xiang <gaoxiang25@huawei.com>
Sat, 16 Feb 2019 08:46:50 +0000 (16:46 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Feb 2019 10:20:55 +0000 (11:20 +0100)
commit047d4abc4df740d48e0386ecc7d52f6d312187af
tree2fc951253a5a49101c2f01e70d345c3733314501tree | snapshot
parent62dc45979f3f8cb0ea67302a93bff686f0c46c5acommit | diff
staging: erofs: remove rcu_read_lock() in erofs_try_to_free_cached_page

page_private(page) cannot be changed if page lock is taken.

Besides, the corresponding workgroup won't be freed
if the page is already protected by page lock, therefore
no need to take rcu read lock.

Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/erofs/unzip_vle.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git