linux-kernel - Re: [PATCH v4] lib/test_bpf: Call page_address() on page acquired with GFP

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Date:   Thu, 29 Jun 2023 13:40:20 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Sumitra Sharma <sumitraartsy@...il.com>
Cc:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        martin.lau@...ux.dev, song@...nel.org, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org, ira.weiny@...el.com,
        fmdefrancesco@...il.com, drv@...lo.com
Subject: Re: [PATCH v4] lib/test_bpf: Call page_address() on page acquired with
 GFP_KERNEL flag

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Fri, 23 Jun 2023 08:16:44 -0700 you wrote:
> generate_test_data() acquires a page with alloc_page(GFP_KERNEL).
> The GFP_KERNEL is typical for kernel-internal allocations.
> The caller requires ZONE_NORMAL or a lower zone for direct access.
> 
> Therefore the page cannot come from ZONE_HIGHMEM. Thus there's
> no need to map it with kmap().
> 
> [...]

Here is the summary with links:
  - [v4] lib/test_bpf: Call page_address() on page acquired with GFP_KERNEL flag
    https://git.kernel.org/bpf/bpf-next/c/da1a055d01ed

You are awesome, thank you!
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