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Store MemoryRegion in RAMBlock 

As a step in moving live migration from RAMBlocks to MemoryRegions,
store the MemoryRegion in a RAMBlock.

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-12-21 13:09:49 +02:00
parent c5705a7728
commit 7c63736603
2 changed files with 2 additions and 0 deletions
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1
cpu-all.h
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@ -476,6 +476,7 @@ extern ram_addr_t ram_size;
#define RAM_PREALLOC_MASK (1 << 0) #define RAM_PREALLOC_MASK (1 << 0)
typedef struct RAMBlock { typedef struct RAMBlock {
struct MemoryRegion *mr;
uint8_t *host; uint8_t *host;
ram_addr_t offset; ram_addr_t offset;
ram_addr_t length; ram_addr_t length;

1
exec.c
View File

@ -2793,6 +2793,7 @@ ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host,
size = TARGET_PAGE_ALIGN(size); size = TARGET_PAGE_ALIGN(size);
new_block = g_malloc0(sizeof(*new_block)); new_block = g_malloc0(sizeof(*new_block));
new_block->mr = mr;
new_block->offset = find_ram_offset(size); new_block->offset = find_ram_offset(size);
if (host) { if (host) {
new_block->host = host; new_block->host = host;