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From: Salvatore Mesoraca <s.mesoraca16@gmail.com>
To: David Laight <David.Laight@aculab.com>
Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Kernel Hardening <kernel-hardening@lists.openwall.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Andrew Lunn <andrew@lunn.ch>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH] net: dsa: drop some VLAs in switch.c
Date: Wed, 14 Mar 2018 13:48:10 +0100	[thread overview]
Message-ID: <CAJHCu1LB1wPErEB0xNd_9=_8dmOn=VFXmzu=-U5Eg3zTeT4b6g@mail.gmail.com> (raw)
In-Reply-To: <9843d23677af411aa75a5fb24df3c97b@AcuMS.aculab.com>

2018-03-14 12:24 GMT+01:00 David Laight <David.Laight@aculab.com>:
> Isn't using DECLARE_BITMAP() completely OTT when the maximum size is less
> than the number of bits in a word?

It allocates ceiling(size/8) "unsigned long"s, so yes.

  reply	other threads:[~2018-03-14 12:48 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-13 19:50 [PATCH] net: dsa: drop some VLAs in switch.c Salvatore Mesoraca
2018-03-13 19:58 ` Vivien Didelot
2018-03-13 19:58   ` Vivien Didelot
2018-03-13 20:06   ` Florian Fainelli
2018-05-05 10:36     ` Salvatore Mesoraca
2018-05-05 15:39       ` Andrew Lunn
2018-05-05 18:22         ` Kees Cook
2018-05-05 18:51           ` Andrew Lunn
2018-03-13 22:01   ` Salvatore Mesoraca
2018-03-14 11:24     ` David Laight
2018-03-14 12:48       ` Salvatore Mesoraca [this message]
2018-03-18 14:08         ` Salvatore Mesoraca

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