On Mon, May 11, 2026 at 04:05:35PM +0200, David Hildenbrand (Arm) wrote:
> We never select CONFIG_HAVE_BOOTMEM_INFO_NODE on s390. Therefore,
> free_bootmem_page() nowadays always translates to free_reserved_page().
> 
> Let's use free_reserved_page() to replace the free_bootmem_page() loop.
> We can stop including bootmem_info.h.
> 
> Likely, vmemmap freeing code could be factored out into the core in the
> future.
> 
> Signed-off-by: David Hildenbrand (Arm) <[email protected]>
> ---
>  arch/s390/mm/vmem.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c
> index eeadff45e0e1..d8b2a60e0c33 100644
> --- a/arch/s390/mm/vmem.c
> +++ b/arch/s390/mm/vmem.c
> @@ -4,7 +4,6 @@
>   */
>  
>  #include <linux/memory_hotplug.h>
> -#include <linux/bootmem_info.h>
>  #include <linux/cpufeature.h>
>  #include <linux/memblock.h>
>  #include <linux/pfn.h>
> @@ -51,7 +50,7 @@ static void vmem_free_pages(unsigned long addr, int order, 
> struct vmem_altmap *a
>       if (PageReserved(page)) {
>               /* allocated from memblock */
>               while (nr_pages--)
> -                     free_bootmem_page(page++);
> +                     free_reserved_page(page++);

What about the implicit call of kmemleak_free_part_phys() which gets
removed with this?

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