linux-kernel - Re: [PATCH 6.10 000/809] 6.10.3-rc3 review

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Message-ID: <365ae5b3-ddc0-4635-b6c5-f6bd18d2046b@suse.cz>
Date: Tue, 6 Aug 2024 21:21:52 +0200
From: Vlastimil Babka <vbabka@...e.cz>
To: Linus Torvalds <torvalds@...ux-foundation.org>,
 Guenter Roeck <linux@...ck-us.net>
Cc: Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik <gor@...ux.ibm.com>,
 Alexander Gordeev <agordeev@...ux.ibm.com>,
 Christian Borntraeger <borntraeger@...ux.ibm.com>,
 linux-kernel@...r.kernel.org, Linux-MM <linux-mm@...ck.org>,
 Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 6.10 000/809] 6.10.3-rc3 review

On 8/6/24 20:23, Linus Torvalds wrote:
> On Tue, 6 Aug 2024 at 11:13, Guenter Roeck <linux@...ck-us.net> wrote:
>>
>> On 8/6/24 10:49, Linus Torvalds wrote:
>> > [ Adding s390 people, this is strange ]
>>
>> Did I get lost somewhere ? I am seeing this with parisc (64 bit), not s390.
> 
> Duh. Sorry for the noise. I don't know why I thought this was s390.
> 
> The parisc __ffs() is also using some grotty inline asm, but I don't
> see how the compiler could make a mess of it.

Note the alignment rules only apply to generic kmalloc-* caches, not "named"
specific caches, such as kmem_cache and kmem_cache_node.

>                 Linus