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Date:   Thu, 23 Sep 2021 10:15:11 +0200
From:   Juergen Gross <>
To:     Mike Rapoport <>,
        Linus Torvalds <>
Cc:     Andrew Morton <>,,,,,,,,,,,,,,,,,,,, Mike Rapoport <>
Subject: Re: [PATCH 3/3] memblock: cleanup memblock_free interface

On 23.09.21 09:43, Mike Rapoport wrote:
> From: Mike Rapoport <>
> For ages memblock_free() interface dealt with physical addresses even
> despite the existence of memblock_alloc_xx() functions that return a
> virtual pointer.
> Introduce memblock_phys_free() for freeing physical ranges and repurpose
> memblock_free() to free virtual pointers to make the following pairing
> abundantly clear:
> 	int memblock_phys_free(phys_addr_t base, phys_addr_t size);
> 	phys_addr_t memblock_phys_alloc(phys_addr_t base, phys_addr_t size);
> 	void *memblock_alloc(phys_addr_t size, phys_addr_t align);
> 	void memblock_free(void *ptr, size_t size);
> Replace intermediate memblock_free_ptr() with memblock_free() and drop
> unnecessary aliases memblock_free_early() and memblock_free_early_nid().
> Suggested-by: Linus Torvalds <>
> Signed-off-by: Mike Rapoport <>

arch/x86/xen/ parts: Reviewed-by: Juergen Gross <>


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