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Re: [Qemu-devel] DIRTY_MEMORY_BLOCK_SIZE;
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From: |
Dr. David Alan Gilbert |
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Subject: |
Re: [Qemu-devel] DIRTY_MEMORY_BLOCK_SIZE; |
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Date: |
Fri, 30 Jun 2017 12:26:10 +0100 |
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User-agent: |
Mutt/1.8.3 (2017-05-23) |
* ali saeedi (address@hidden) wrote:
> Hello
> what does 'DIRTY_MEMORY_BLOCK_SIZE' mean?
> is it the number of words in a block? or number of pages in a block? or
> number of bytes in a block?
> thanks a lot
(cc'ing Stefan)
I think that DIRTY_MEMORY_BLOCK_SIZE is the number of TARGET_PAGEs
within one DIRTY_MEMORY_BLOCK
So with the common 4k target page that's 4k*256k*8=8GB/dirty memory
block - note these are just the size of structure sin qemu, it's still
got the ranularity ot mark individual target pages as dirty.
Dave
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK