* [PATCH] relay: use macro PAGE_ALIGN instead of FIX_SIZE
@ 2013-03-20 9:26 zhangwei(Jovi)
0 siblings, 0 replies; only message in thread
From: zhangwei(Jovi) @ 2013-03-20 9:26 UTC (permalink / raw)
To: linux-kernel, Andrew Morton
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: Andrew Morton <akpm@linux-foundation.org>
---
kernel/relay.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/kernel/relay.c b/kernel/relay.c
index d0c638f..5666dad 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) {
--
1.7.9.7
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