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[Qemu-devel] [PATCH] exec: use macro for alignment
From: |
Chen Hanxiao |
Subject: |
[Qemu-devel] [PATCH] exec: use macro for alignment |
Date: |
Thu, 23 Jul 2015 18:20:47 +0800 |
Signed-off-by: Chen Hanxiao <address@hidden>
---
exec.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/exec.c b/exec.c
index 7d60e15..f84b485 100644
--- a/exec.c
+++ b/exec.c
@@ -1153,6 +1153,8 @@ static long gethugepagesize(const char *path, Error
**errp)
return fs.f_bsize;
}
+#define ALIGN(x, y) (((x)+(y)-1) & ~((y)-1))
+
static void *file_ram_alloc(RAMBlock *block,
ram_addr_t memory,
const char *path,
@@ -1207,7 +1209,7 @@ static void *file_ram_alloc(RAMBlock *block,
unlink(filename);
g_free(filename);
- memory = (memory+hpagesize-1) & ~(hpagesize-1);
+ memory = ALIGN(memory, hpagesize);
/*
* ftruncate is not supported by hugetlbfs in older
--
2.1.0
- [Qemu-devel] [PATCH] exec: use macro for alignment,
Chen Hanxiao <=