linux-kernel - Re: [PATCH v2 1/3] kho: Adopt KHO radix tree data structures

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Message-ID: <20251023234532.GA846943@nvidia.com>
Date: Thu, 23 Oct 2025 20:45:32 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Jason Miu <jasonmiu@...gle.com>
Cc: Alexander Graf <graf@...zon.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Baoquan He <bhe@...hat.com>, Changyuan Lyu <changyuanl@...gle.com>,
	David Matlack <dmatlack@...gle.com>,
	David Rientjes <rientjes@...gle.com>,
	Mike Rapoport <rppt@...nel.org>,
	Pasha Tatashin <pasha.tatashin@...een.com>,
	Pratyush Yadav <pratyush@...nel.org>, kexec@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH v2 1/3] kho: Adopt KHO radix tree data structures

On Mon, Oct 20, 2025 at 03:03:04AM -0700, Jason Miu wrote:

> +static struct kho_radix_tree *kho_alloc_radix_tree(void)
>  {
> +	return (struct kho_radix_tree *)get_zeroed_page(GFP_KERNEL);
> +}

I was reading the thread over here:

https://lore.kernel.org/all/20151222210435.GB20997@ZenIV.linux.org.uk/

And I guess this stuff should just use
  kzalloc(sizeof(struct kho_radix_tree), GFP_KERNEL);

Jason