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From: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>
To: Igor Pylypiv <igor.pylypiv@gmail.com>
Cc: kernelnewbies@kernelnewbies.org,
	Jesse Simpson <jesse.simpson36@gmail.com>,
	"Tobin C. Harding" <me@tobin.cc>
Subject: Re: Where is PageHead defined in v5.0?
Date: Thu, 28 Mar 2019 01:50:47 -0400
Message-ID: <28865.1553752247@turing-police> (raw)
In-Reply-To: <CAPt+ddWmi+EQpX7VggpO4X2GO7SALKDtez0wAKKnMCSWUQ5eoQ@mail.gmail.com>

On Wed, 27 Mar 2019 17:23:05 -0700, Igor Pylypiv said:
> and TESTPAGEFLAG defines PageHead:
>         #define TESTPAGEFLAG(uname, lname, policy) \
>         static __always_inline int Page##uname(struct page *page)
>         (https://elixir.bootlin.com/linux/v5.0.5/source/include/linux/page-flags.h#L215)

General tip:  If you're trying to find where the kernel defines FooBar,
and 'git grep FooBar' only finds uses and no definitions, it probably
means somebody got over-exuberant with the ## pre-processor
operator

'git grep Foo##' usually reveals the culprit. ;)

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Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-27 22:26 Tobin C. Harding
2019-03-28  0:34 ` Jesse Simpson
2019-03-27 23:49   ` Tobin C. Harding
2019-03-28  0:23     ` Igor Pylypiv
2019-03-28  4:43       ` Tobin C. Harding
2019-03-28  5:50       ` Valdis Klētnieks [this message]
2019-03-28 20:49         ` Jesse Simpson
2019-03-28 20:56         ` Tobin C. Harding

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