lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-Id: <20171206004159.3755-36-willy@infradead.org> Date: Tue, 5 Dec 2017 16:41:21 -0800 From: Matthew Wilcox <willy@...radead.org> To: unlisted-recipients:; (no To-header on input) Cc: Matthew Wilcox <mawilcox@...rosoft.com>, Ross Zwisler <ross.zwisler@...ux.intel.com>, Jens Axboe <axboe@...nel.dk>, Rehas Sachdeva <aquannie@...il.com>, linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-nilfs@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-xfs@...r.kernel.org, linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v4 35/73] mm: Convert __do_page_cache_readahead to XArray From: Matthew Wilcox <mawilcox@...rosoft.com> This one is trivial. Signed-off-by: Matthew Wilcox <mawilcox@...rosoft.com> --- mm/readahead.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/readahead.c b/mm/readahead.c index f64b31b3a84a..66bcaffd47f0 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -174,9 +174,7 @@ int __do_page_cache_readahead(struct address_space *mapping, struct file *filp, if (page_offset > end_index) break; - rcu_read_lock(); - page = radix_tree_lookup(&mapping->pages, page_offset); - rcu_read_unlock(); + page = xa_load(&mapping->pages, page_offset); if (page && !xa_is_value(page)) continue; -- 2.15.0
Powered by blists - more mailing lists