[PATCH 3/3] memblock: cleanup memblock_free interface

Juergen Gross jgross at suse.com
Thu Sep 23 01:15:11 PDT 2021


On 23.09.21 09:43, Mike Rapoport wrote:
> From: Mike Rapoport <rppt at linux.ibm.com>
> 
> 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 <torvalds at linux-foundation.org>
> Signed-off-by: Mike Rapoport <rppt at linux.ibm.com>

arch/x86/xen/ parts: Reviewed-by: Juergen Gross <jgross at suse.com>


Juergen
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