linux-kernel - Re: [PATCH] drivers: of: increase MAX_RESERVED

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Message-Id: <ddd472b4-6eea-80a3-53c6-bd63b565ff63@linux.vnet.ibm.com>
Date:   Mon, 2 Oct 2017 19:58:30 -0300
From:   Mauricio Faria de Oliveira <mauricfo@...ux.vnet.ibm.com>
To:     Stewart Smith <stewart@...ux.vnet.ibm.com>,
        Rob Herring <robh@...nel.org>
Cc:     devicetree@...r.kernel.org, Frank Rowand <frowand.list@...il.com>,
        linux-kernel@...r.kernel.org, obh+dt@...nel.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] drivers: of: increase MAX_RESERVED_REGIONS to 32

On 09/26/2017 05:40 AM, Stewart Smith wrote:
> The simple fix is to bump the length of the array to 32 which "should be
> enough for everyone(TM)".

Tested-by: Mauricio Faria de Oliveira <mauricfo@...ux.vnet.ibm.com>

# uname -r
4.14.0-rc3

# dmesg
[    0.000000] opal: OPAL detected !
[    0.000000] crashkernel: memory value expected
[    0.000000] OF: reserved mem: not enough space all defined regions.
[    0.000000] OF: reserved mem: not enough space all defined regions.
[    0.000000] OF: reserved mem: not enough space all defined regions.
[    0.000000] OF: reserved mem: not enough space all defined regions.
[    0.000000] Allocated 2883584 bytes for 2048 pacas at c00000000fd40000
<...>

# uname -r
4.14.0-rc3.of32maxrsvdmemregions

# dmesg | head
[    0.000000] opal: OPAL detected !
[    0.000000] crashkernel: memory value expected
[    0.000000] Allocated 2883584 bytes for 2048 pacas at c00000000fd40000
<...>

-- 
Mauricio Faria de Oliveira
IBM Linux Technology Center