提交 a05342cb 编写于 作者: Z zhangwei(Jovi) 提交者: Linus Torvalds

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: Nzhangwei(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: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 536b39ec
...@@ -550,9 +550,6 @@ static int __cpuinit relay_hotcpu_callback(struct notifier_block *nb, ...@@ -550,9 +550,6 @@ static int __cpuinit relay_hotcpu_callback(struct notifier_block *nb,
return NOTIFY_OK; 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 * relay_open - create a new relay channel
* @base_filename: base name of files to create, %NULL for buffering only * @base_filename: base name of files to create, %NULL for buffering only
...@@ -591,7 +588,7 @@ struct rchan *relay_open(const char *base_filename, ...@@ -591,7 +588,7 @@ struct rchan *relay_open(const char *base_filename,
chan->version = RELAYFS_CHANNEL_VERSION; chan->version = RELAYFS_CHANNEL_VERSION;
chan->n_subbufs = n_subbufs; chan->n_subbufs = n_subbufs;
chan->subbuf_size = subbuf_size; 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->parent = parent;
chan->private_data = private_data; chan->private_data = private_data;
if (base_filename) { if (base_filename) {
......
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