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b=JnFN68mRo+kgDRZrt2WqLdbrsEb/UcY3qK723zkwBpCx0kbdfdGlnQyzxGyjdCmK8 miFHNo3jn78m1L9mtEB2AOqclgMx35qLrRlo+HV8OO6tIoTiw6RjFMk+hBMIwqULfs PtD85DpsB+rnQfkCgAujltBKD3PkpqIWiO6JKC3fT3M7K8h5vlUcg9yjWzoy/8hWFp N6wx4lW1QdXCrBzthUBxcd8Zol34Dq8vO81JJ+lLqGAwtkB7zNvILU7U1SZPZiMCHn HHuyhXeTnmCPcSiZDbjX0AffFDP2EUh0qv8X632tjhciQfg4JCZTsGQ8E7DuV6cTL0 OKC3gHHD1ghzA== Date: Sun, 26 Jul 2026 10:02:53 +0300 From: Mike Rapoport To: Kees Cook Cc: Mahad Ibrahim , Arnd Bergmann , Greg Kroah-Hartman , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] lkdtm: use kmalloc() instead of __get_free_page Message-ID: References: <20260722230246.2869-1-mahad.ibrahim.dev@gmail.com> <202607222046.D287828@keescook> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202607222046.D287828@keescook> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: A2A4340009 X-Rspam-User: X-Stat-Signature: 7qskxm1bqg3aq779gtw6i9rs5qgpgbu6 X-HE-Tag: 1785049380-987987 X-HE-Meta: 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 W7yHJMxJ ZYCAQUJqBakrq8OjVpnZa+ZMPgKmnc2m+BYdfefGFugp30TEs719jP968zd0S3RGmXNZLw9611imNOXoXZUaIno19r2raY6OvPTKt4wmsBjoD7tVHg5Tl8FGZQAzqLHuxctP+cTz10YDt/43KD3G2WdmvpC660OnlSwl6SvGQ1cemzjJsQTZMMEQz8rl2M40R88YmHmf2bQ6w+R67RPMvlkXE0ZqNynkhexJzAm82HZHM83apq3r2nTQ0vBVeFpxHYdCLGRQK/0XK+RPOBcowHZq2wTS/pZkFNF0UcN8pINDuNDyBWdGHZGieU/ECWnSPKyq1PAuozx9OrfIn33Vx+RPbK9xnLxE07LnOSgGrtjyugWezkLJiR6me6sZdFWV4igJ5nZwYdqfN09pqhfcfMAfcU0JwT/1dev4RJLZN9vnGliE= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Kees, On Wed, Jul 22, 2026 at 08:47:01PM -0700, Kees Cook wrote: > On Wed, Jul 22, 2026 at 11:42:25PM +0000, Mahad Ibrahim wrote: > > For context, this is part of the broader __get_free_page() -> kmalloc() > > transition Mike Rapoport is performing. I noticed it on the mailing > > lists and found this site which wasn't covered. > > > > Some background: > > > > [1] https://lore.kernel.org/all/CA+55aFwp4iy4rtX2gE2WjBGFL=NxMVnoFeHqYa2j1dYOMMGqxg@mail.gmail.com/ > > [2] https://lore.kernel.org/linux-scsi/20260704-b4-scsi-v2-0-7d2d21a810de@kernel.org/T/#t > > > > I apologize for this messy reply. I thought I had added the context, but > > I didn't. > > Do you want this to land via my tree or via the series Mike is doing? I'm not actually maintaining a tree for this, I'm sending patches to the subsystem maintainers, so your tree would be great. > -- > Kees Cook -- Sincerely yours, Mike.