linux-kernel - Re: [PATCH] tracing: gfp: Fix the GFP enum values shown for user space tracing tools

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Message-ID: <20250116151232.4cc70a51@gandalf.local.home>
Date: Thu, 16 Jan 2025 15:12:32 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: LKML <linux-kernel@...r.kernel.org>, Linux Trace Kernel
 <linux-trace-kernel@...r.kernel.org>, linux-mm@...ck.org,
 linux-perf-users@...r.kernel.org, Masami Hiramatsu <mhiramat@...nel.org>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Andrew Morton
 <akpm@...ux-foundation.org>, Michael Petlan <mpetlan@...hat.com>, Veronika
 Molnarova <vmolnaro@...hat.com>, Suren Baghdasaryan <surenb@...gle.com>
Subject: Re: [PATCH] tracing: gfp: Fix the GFP enum values shown for user
 space tracing tools

On Thu, 16 Jan 2025 11:30:52 -0800
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Thu, 16 Jan 2025 at 11:30, Steven Rostedt <rostedt@...dmis.org> wrote:
> >
> > Would it at least be OK to add a comment there to update the tracing code
> > if a new GFP flag is added?  
> 
> Sure.

Heh, there's already a comment, and I can make the changes there:


/*
 * In case of changes, please don't forget to update
 * include/trace/events/mmflags.h and tools/perf/builtin-kmem.c
 */

enum {
	___GFP_DMA_BIT,
	___GFP_HIGHMEM_BIT,
[..]

-- Steve