linux-kernel - Re: [PATCH] x86/init: fix build with CONFIG

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Message-ID: <CA+55aFzbnAiRz-Gnyc97sgn_-uk+GDMd_fxSCwYqWC1ZBuOCkA@mail.gmail.com>
Date:   Tue, 14 Aug 2018 11:59:31 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Vlastimil Babka <vbabka@...e.cz>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Peter Anvin <hpa@...or.com>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, pruzinat@...il.com,
        stable <stable@...r.kernel.org>
Subject: Re: [PATCH] x86/init: fix build with CONFIG_SWAP=n

On Tue, Aug 14, 2018 at 11:51 AM Vlastimil Babka <vbabka@...e.cz> wrote:
>
> The introduction of generic_max_swapfile_size and arch-specific versions has
> broken linking on x86 with CONFIG_SWAP=n due to undefined reference to
> 'generic_max_swapfile_size'. Fix it by compiling the x86-specific
> max_swapfile_size() only with CONFIG_SWAP=y.

Pretty much all the x86 people are on vacation this week, so I just
took this directly.

             Linus