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[Qemu-devel] [PATCH] Fix calculation of number of bits in the migration
From: |
Orit Wasserman |
Subject: |
[Qemu-devel] [PATCH] Fix calculation of number of bits in the migration bitmap |
Date: |
Wed, 31 Oct 2012 13:19:41 +0200 |
The number of bits is off by one, for example if last_ram_offset
is 0x1000 (the guest has one page) we get 0 bits instead of 1.
Signed-off-by: Orit Wasserman <address@hidden>
---
arch_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch_init.c b/arch_init.c
index b75a4c5..a80c3c8 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -565,7 +565,7 @@ static void reset_ram_globals(void)
static int ram_save_setup(QEMUFile *f, void *opaque)
{
RAMBlock *block;
- int64_t ram_pages = last_ram_offset() >> TARGET_PAGE_BITS;
+ int64_t ram_pages = (last_ram_offset() >> TARGET_PAGE_BITS) + 1;
migration_bitmap = bitmap_new(ram_pages);
bitmap_set(migration_bitmap, 0, ram_pages);
--
1.7.11.7
- [Qemu-devel] [PATCH] Fix calculation of number of bits in the migration bitmap,
Orit Wasserman <=