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From: | Juan Quintela |
Subject: | Re: [Qemu-devel] [PATCH v8 07/11] migration: add bitmap for copied page |
Date: | Wed, 07 Jun 2017 14:56:55 +0200 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) |
Alexey Perevalov <address@hidden> wrote: > +static unsigned long get_copiedmap_size(RAMBlock *rb) > +{ > + unsigned long pages; > + pages = rb->max_length >> find_first_bit((unsigned long *)&rb->page_size, > + sizeof(rb->page_size)); > + return pages; Are you sure that you want this and not: pages = rb->max_length >> TARGET_PAGE_BITS? Otherwise, in some architectures/configurations you can end with a bitmap size that is different of the migration bitmap size.
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