linux-kernel - Re: [PATCH 13/21] binder: relocate low space calculation

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Message-ID: <20231107090826.259454-1-aliceryhl@google.com>
Date:   Tue,  7 Nov 2023 09:08:26 +0000
From:   Alice Ryhl <aliceryhl@...gle.com>
To:     Carlos Llamas <cmllamas@...gle.com>
Cc:     "Arve Hjønnevåg" <arve@...roid.com>,
        Christian Brauner <brauner@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Joel Fernandes <joel@...lfernandes.org>,
        kernel-team@...roid.com, linux-kernel@...r.kernel.org,
        Martijn Coenen <maco@...roid.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Todd Kjos <tkjos@...roid.com>
Subject: Re: [PATCH 13/21] binder: relocate low space calculation

Carlos Llamas <cmllamas@...gle.com> writes:
> Move the low async space calculation to debug_low_async_space_locked().
> This logic not only fits better here but also offloads some of the many
> tasks currently done in binder_alloc_new_buf_locked().
> 
> No functional change in this patch.
> 
> Signed-off-by: Carlos Llamas <cmllamas@...gle.com>

One suggestion below, but I'm fine either way.

Reviewed-by: Alice Ryhl <aliceryhl@...gle.com>


Carlos Llamas <cmllamas@...gle.com> writes:
> +		if (debug_low_async_space_locked(alloc))
> +			buffer->oneway_spam_suspect = true;

You could avoid a branch here like this:

buffer->oneway_spam_suspect = debug_low_async_space_locked(alloc);

Alice