From: lon...@linuxonhyperv.com <lon...@linuxonhyperv.com> Sent: Monday, May 5,
2025 5:57 PM
>
> To prepare for removal of hv_alloc_* and hv_free* functions, use
> kzalloc/kfree directly for panic reporting page.
>
> Signed-off-by: Long Li <lon...@microsoft.com>
> ---
> drivers/hv/hv_common.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/hv/hv_common.c b/drivers/hv/hv_common.c
> index a7d7494feaca..a5a6250b1a12 100644
> --- a/drivers/hv/hv_common.c
> +++ b/drivers/hv/hv_common.c
> @@ -272,7 +272,7 @@ static void hv_kmsg_dump_unregister(void)
> atomic_notifier_chain_unregister(&panic_notifier_list,
> &hyperv_panic_report_block);
>
> - hv_free_hyperv_page(hv_panic_page);
> + kfree(hv_panic_page);
> hv_panic_page = NULL;
> }
>
> @@ -280,7 +280,7 @@ static void hv_kmsg_dump_register(void)
> {
> int ret;
>
> - hv_panic_page = hv_alloc_hyperv_zeroed_page();
> + hv_panic_page = kzalloc(HV_HYP_PAGE_SIZE, GFP_KERNEL);
> if (!hv_panic_page) {
> pr_err("Hyper-V: panic message page memory allocation
> failed\n");
> return;
> @@ -289,7 +289,7 @@ static void hv_kmsg_dump_register(void)
> ret = kmsg_dump_register(&hv_kmsg_dumper);
> if (ret) {
> pr_err("Hyper-V: kmsg dump register error 0x%x\n", ret);
> - hv_free_hyperv_page(hv_panic_page);
> + kfree(hv_panic_page);
> hv_panic_page = NULL;
> }
> }
> --
> 2.34.1
>
Reviewed-by: Michael Kelley <mhkli...@outlook.com>
