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Message-Id: <168191521930.31115.14808766624287897927.git-patchwork-notify@kernel.org>
Date: Wed, 19 Apr 2023 14:40:19 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Magnus Karlsson <magnus.karlsson@...il.com>
Cc: magnus.karlsson@...el.com, bjorn@...nel.org, ast@...nel.org,
daniel@...earbox.net, netdev@...r.kernel.org,
maciej.fijalkowski@...el.com, tirthendu.sarkar@...el.com,
kal.conley@...tris.com, bpf@...r.kernel.org
Subject: Re: [PATCH bpf-next] selftests/xsk: fix munmap for hugepage allocated
umem
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@...earbox.net>:
On Tue, 18 Apr 2023 16:36:17 +0200 you wrote:
> From: Magnus Karlsson <magnus.karlsson@...el.com>
>
> Fix the unmapping of hugepage allocated umems so that they are
> properly unmapped. The new test referred to in the fixes label,
> introduced a test that allocated a umem that is not a multiple of a 2M
> hugepage size. This is fine for mmap() that rounds the size up the
> nearest multiple of 2M. But munmap() requires the size to be a
> multiple of the hugepage size in order for it to unmap the region. The
> current behaviour of not properly unmapping the umem, was discovered
> when further additions of tests that require hugepages (unaligned mode
> tests only) started failing as the system was running out of
> hugepages.
>
> [...]
Here is the summary with links:
- [bpf-next] selftests/xsk: fix munmap for hugepage allocated umem
https://git.kernel.org/bpf/bpf-next/c/2ddade322925
You are awesome, thank you!
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