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Re: [PATCH v3 13/15] util: oslib: Resizeable anonymous allocations under
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From: |
Peter Xu |
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Subject: |
Re: [PATCH v3 13/15] util: oslib: Resizeable anonymous allocations under POSIX |
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Date: |
Fri, 28 Feb 2020 15:11:37 -0500 |
On Thu, Feb 27, 2020 at 11:12:03AM +0100, David Hildenbrand wrote:
> Introduce qemu_anon_ram_alloc_resizeable() and qemu_anon_ram_resize().
> Implement them under POSIX and make them return NULL under WIN32.
>
> Under POSIX, we make use of resizeable mmaps. An implementation under
> WIN32 is theoretically possible AFAIK and can be added later.
>
> In qemu_anon_ram_free(), rename the size parameter to max_size, to make
> it clearer that we have to use the maximum size when freeing resizeable
> anonymous allocations.
>
> Cc: Richard Henderson <address@hidden>
> Cc: Paolo Bonzini <address@hidden>
> Cc: "Dr. David Alan Gilbert" <address@hidden>
> Cc: Eduardo Habkost <address@hidden>
> Cc: Marcel Apfelbaum <address@hidden>
> Cc: Stefan Weil <address@hidden>
> Cc: Igor Mammedov <address@hidden>
> Signed-off-by: David Hildenbrand <address@hidden>
Reviewed-by: Peter Xu <address@hidden>
--
Peter Xu
- [PATCH v3 09/15] util/mmap-alloc: Factor out populating of memory to mmap_populate(), (continued)
- [PATCH v3 09/15] util/mmap-alloc: Factor out populating of memory to mmap_populate(), David Hildenbrand, 2020/02/27
- [PATCH v3 10/15] util/mmap-alloc: Prepare for resizeable mmaps, David Hildenbrand, 2020/02/27
- [PATCH v3 11/15] util/mmap-alloc: Implement resizeable mmaps, David Hildenbrand, 2020/02/27
- [PATCH v3 12/15] util: vfio-helpers: Implement ram_block_resized(), David Hildenbrand, 2020/02/27
- [PATCH v3 13/15] util: oslib: Resizeable anonymous allocations under POSIX, David Hildenbrand, 2020/02/27
- Re: [PATCH v3 13/15] util: oslib: Resizeable anonymous allocations under POSIX,
Peter Xu <=
- [PATCH v3 15/15] exec: Ram blocks with resizeable anonymous allocations under POSIX, David Hildenbrand, 2020/02/27
- [PATCH v3 14/15] numa: Introduce ram_block_notifiers_support_resize(), David Hildenbrand, 2020/02/27