linux-kernel - Re: [PATCH] s390/pci: Use the bitmap API to allocate bitmaps

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Message-ID: <Ys+n+wU8GyQzR+xk@li-4a3a4a4c-28e5-11b2-a85c-a8d192c6f089.ibm.com>
Date:   Thu, 14 Jul 2022 07:22:03 +0200
From:   Alexander Gordeev <agordeev@...ux.ibm.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Niklas Schnelle <schnelle@...ux.ibm.com>,
        Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH] s390/pci: Use the bitmap API to allocate bitmaps

On Sat, Jul 09, 2022 at 06:11:28PM +0200, Christophe JAILLET wrote:
> I don't know why commit c506fff3d3a8 ("s390/pci: resize iomap") has turned
> this bitmap from a statically defined bitmap to a runtime-allocated one.

c506fff3d3a8 commit message:

    This reduces the size of the iomap from 256K to less than 4K
    (using the defconfig).