From: lon...@linuxonhyperv.com <lon...@linuxonhyperv.com> Sent: Monday, May 5,
2025 5:57 PM
>
> There are no users for those functions, remove them.
>
> Signed-off-by: Long Li <lon...@microsoft.com>
> ---
> drivers/hv/hv_common.c | 39 ----------------------------------
> include/asm-generic/mshyperv.h | 4 ----
> 2 files changed, 43 deletions(-)
>
> diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
> index a5a6250b1a12..421376cea17e 100644
> --- a/drivers/hv/hv_common.c
> +++ b/drivers/hv/hv_common.c
> @@ -105,45 +105,6 @@ void __init hv_common_free(void)
> hv_synic_eventring_tail = NULL;
> }
>
> -/*
> - * Functions for allocating and freeing memory with size and
> - * alignment HV_HYP_PAGE_SIZE. These functions are needed because
> - * the guest page size may not be the same as the Hyper-V page
> - * size. We depend upon kmalloc() aligning power-of-two size
> - * allocations to the allocation size boundary, so that the
> - * allocated memory appears to Hyper-V as a page of the size
> - * it expects.
> - */
> -
> -void *hv_alloc_hyperv_page(void)
> -{
> - BUILD_BUG_ON(PAGE_SIZE < HV_HYP_PAGE_SIZE);
> -
> - if (PAGE_SIZE == HV_HYP_PAGE_SIZE)
> - return (void *)__get_free_page(GFP_KERNEL);
> - else
> - return kmalloc(HV_HYP_PAGE_SIZE, GFP_KERNEL);
> -}
> -EXPORT_SYMBOL_GPL(hv_alloc_hyperv_page);
> -
> -void *hv_alloc_hyperv_zeroed_page(void)
> -{
> - if (PAGE_SIZE == HV_HYP_PAGE_SIZE)
> - return (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
> - else
> - return kzalloc(HV_HYP_PAGE_SIZE, GFP_KERNEL);
> -}
> -EXPORT_SYMBOL_GPL(hv_alloc_hyperv_zeroed_page);
> -
> -void hv_free_hyperv_page(void *addr)
> -{
> - if (PAGE_SIZE == HV_HYP_PAGE_SIZE)
> - free_page((unsigned long)addr);
> - else
> - kfree(addr);
> -}
> -EXPORT_SYMBOL_GPL(hv_free_hyperv_page);
> -
> static void *hv_panic_page;
>
> /*
> diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h
> index ccccb1cbf7df..4033508fbb11 100644
> --- a/include/asm-generic/mshyperv.h
> +++ b/include/asm-generic/mshyperv.h
> @@ -236,10 +236,6 @@ int hv_common_cpu_init(unsigned int cpu);
> int hv_common_cpu_die(unsigned int cpu);
> void hv_identify_partition_type(void);
>
> -void *hv_alloc_hyperv_page(void);
> -void *hv_alloc_hyperv_zeroed_page(void);
> -void hv_free_hyperv_page(void *addr);
> -
> /**
> * hv_cpu_number_to_vp_number() - Map CPU to VP.
> * @cpu_number: CPU number in Linux terms
> --
> 2.34.1
>
Reviewed-by: Michael Kelley <mhkli...@outlook.com>
