From: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
To: Brendan Jackman <jackmanb@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Johannes Weiner <hannes@cmpxchg.org>, Zi Yan <ziy@nvidia.com>,
Muchun Song <muchun.song@linux.dev>,
Oscar Salvador <osalvador@suse.de>,
David Hildenbrand <david@kernel.org>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Mike Rapoport <rppt@kernel.org>,
Matthew Brost <matthew.brost@intel.com>,
Joshua Hahn <joshua.hahnjy@gmail.com>,
Rakie Kim <rakie.kim@sk.com>, Byungchul Park <byungchul@sk.com>,
Ying Huang <ying.huang@linux.alibaba.com>,
Alistair Popple <apopple@nvidia.com>, Hao Li <hao.li@linux.dev>,
Christoph Lameter <cl@gentwo.org>,
David Rientjes <rientjes@google.com>,
Roman Gushchin <roman.gushchin@linux.dev>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Clark Williams <clrkwllms@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>
Cc: "Harry Yoo (Oracle)" <harry@kernel.org>,
Gregory Price <gourry@gourry.net>,
Alexei Starovoitov <ast@kernel.org>,
Matthew Wilcox <willy@infradead.org>, Hao Ge <hao.ge@linux.dev>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-rt-devel@lists.linux.dev, derkling@google.com,
reijiw@google.com, Yosry Ahmed <yosry@kernel.org>
Subject: Re: [PATCH v4 15/18] mm: replace __GFP_NO_CODETAG with ALLOC_NO_CODETAG
Date: Fri, 3 Jul 2026 11:24:59 +0200 [thread overview]
Message-ID: <49667ba9-a1f7-4857-aaf1-826a737c3d2c@kernel.org> (raw)
In-Reply-To: <20260702-alloc-trylock-v4-15-0af8ff387e80@google.com>
On 7/2/26 11:49, Brendan Jackman wrote:
> Now that alloc_pages has an entrypoint that allows passing alloc_flags,
> we can take advantage of this to start removing GFP flags that are only
> used for mm-internal stuff.
>
> This requires also plumbing the alloc_flags into some more of the
> allocator code, in particular __alloc_pages[_noprof]() gets an
> alloc_flags arg to go along with its callees, and we now need to pass
> those flags deeper into the allocator so they can reach the alloc_tag
> code.
>
> While moving the flag definition into page_alloc.h, also update the
> comment per Hao's suggestion.
>
> No functional change intended.
>
> Link: https://lore.kernel.org/all/b4916118-3537-4e19-8bc8-1d103dd0d225@linux.dev/
> Signed-off-by: Brendan Jackman <jackmanb@google.com>
Reviewed-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
next prev parent reply other threads:[~2026-07-03 9:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20260702-alloc-trylock-v4-0-0af8ff387e80@google.com>
[not found] ` <20260702-alloc-trylock-v4-5-0af8ff387e80@google.com>
2026-07-03 9:20 ` [PATCH v4 05/18] mm/page_alloc: unify __alloc_frozen_pages[_nolock]_noprof() Vlastimil Babka (SUSE)
[not found] ` <20260702-alloc-trylock-v4-15-0af8ff387e80@google.com>
2026-07-03 2:29 ` [PATCH v4 15/18] mm: replace __GFP_NO_CODETAG with ALLOC_NO_CODETAG Hao Ge
2026-07-03 9:24 ` Vlastimil Babka (SUSE) [this message]
[not found] ` <20260702-alloc-trylock-v4-17-0af8ff387e80@google.com>
2026-07-03 9:28 ` [PATCH v4 17/18] mm/page_alloc: drop alloc_flags arg from alloc_flags_cma() Vlastimil Babka (SUSE)
[not found] ` <20260702-alloc-trylock-v4-18-0af8ff387e80@google.com>
2026-07-03 9:32 ` [PATCH v4 18/18] mm: factor out can_spin_trylock() Vlastimil Babka (SUSE)
2026-07-03 11:43 ` Brendan Jackman
2026-07-03 9:38 ` Harry Yoo
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