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authorzhangwei(Jovi) <jovi.zhangwei@huawei.com>2013-04-30 15:28:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-30 17:04:09 -0700
commita05342cbd62b7f6dacb8d71683d799f5e5e694b8 (patch)
tree5d606df07845f07ecfd44e4498139ac2bbc13d9c /kernel/relay.c
parent536b39ecf1b52ab71c2c126db0137611b9e1a4d4 (diff)
downloadvexpress-lsk-a05342cbd62b7f6dacb8d71683d799f5e5e694b8.tar.gz
relay: use macro PAGE_ALIGN instead of FIX_SIZE
Macro FIX_SIZE is same as PAGE_ALIGN at present, so use PAGE_ALIGN instead. Thanks Andrew found this. Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/relay.c')
-rw-r--r--kernel/relay.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/relay.c b/kernel/relay.c
index 4c2959b6c34..eef0d113b79 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -550,9 +550,6 @@ static int __cpuinit relay_hotcpu_callback(struct notifier_block *nb,
return NOTIFY_OK;
}
-/* Needs a _much_ better name... */
-#define FIX_SIZE(x) ((((x) - 1) & PAGE_MASK) + PAGE_SIZE)
-
/**
* relay_open - create a new relay channel
* @base_filename: base name of files to create, %NULL for buffering only
@@ -591,7 +588,7 @@ struct rchan *relay_open(const char *base_filename,
chan->version = RELAYFS_CHANNEL_VERSION;
chan->n_subbufs = n_subbufs;
chan->subbuf_size = subbuf_size;
- chan->alloc_size = FIX_SIZE(subbuf_size * n_subbufs);
+ chan->alloc_size = PAGE_ALIGN(subbuf_size * n_subbufs);
chan->parent = parent;
chan->private_data = private_data;
if (base_filename) {