Linux real-time development
 help / color / mirror / Atom feed
From: Brendan Jackman <jackmanb@google.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Vlastimil Babka <vbabka@kernel.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>,
	 Johannes Weiner <hannes@cmpxchg.org>,
	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,
	 Brendan Jackman <jackmanb@google.com>,
	Peter Zijlstra <peterz@infradead.org>,
	 Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	 Mark Rutland <mark.rutland@arm.com>,
	 Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>,  Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	 James Clark <james.clark@linaro.org>
Subject: [PATCH v3 08/16] perf/x86/intel: Use higher-level allocator API
Date: Mon, 29 Jun 2026 13:11:57 +0000	[thread overview]
Message-ID: <20260629-alloc-trylock-v3-8-57bef0eadbc2@google.com> (raw)
In-Reply-To: <20260629-alloc-trylock-v3-0-57bef0eadbc2@google.com>

The difference between __alloc_pages_node() and alloc_pages_node() is
that the latter allows you to pass NUMA_NO_NODE.

The former is going away and the latter works fine here so switch over.

No functional change intended.

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: James Clark <james.clark@linaro.org>
Assisted-by: Gemini:unknown-version
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Brendan Jackman <jackmanb@google.com>
---
 arch/x86/events/intel/ds.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 91a093d8cf2e7..70be80211d823 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -832,7 +832,7 @@ static void *dsalloc_pages(size_t size, gfp_t flags, int cpu)
 	int node = cpu_to_node(cpu);
 	struct page *page;
 
-	page = __alloc_pages_node(node, flags | __GFP_ZERO, order);
+	page = alloc_pages_node(node, flags | __GFP_ZERO, order);
 	return page ? page_address(page) : NULL;
 }
 
@@ -1088,9 +1088,9 @@ void init_arch_pebs_on_cpu(int cpu)
 
 	/*
 	 * 4KB-aligned pointer of the output buffer
-	 * (__alloc_pages_node() return page aligned address)
+	 * (alloc_pages_node() returns page aligned address)
 	 * Buffer Size = 4KB * 2^SIZE
-	 * contiguous physical buffer (__alloc_pages_node() with order)
+	 * contiguous physical buffer (alloc_pages_node() with order)
 	 */
 	arch_pebs_base = virt_to_phys(cpuc->pebs_vaddr) | PEBS_BUFFER_SHIFT;
 	wrmsrq_on_cpu(cpu, MSR_IA32_PEBS_BASE, arch_pebs_base);

-- 
2.54.0


  parent reply	other threads:[~2026-06-29 13:12 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-29 13:11 [PATCH v3 00/16] mm: Some cleanups for page allocator APIs Brendan Jackman
2026-06-29 13:11 ` [PATCH v3 01/16] mm/page_alloc: rename ALLOC_TRYLOCK -> ALLOC_NOLOCK Brendan Jackman
2026-06-30 12:27   ` Vlastimil Babka (SUSE)
2026-06-29 13:11 ` [PATCH v3 02/16] mm/page_alloc: some renames to clarify alloc_flags scopes Brendan Jackman
2026-06-30 12:38   ` Vlastimil Babka (SUSE)
2026-06-30 17:25     ` Brendan Jackman
2026-06-29 13:11 ` [PATCH v3 03/16] mm: name some args in a function declaration Brendan Jackman
2026-06-30 12:43   ` Vlastimil Babka (SUSE)
2026-06-29 13:11 ` [PATCH v3 04/16] mm: Split out internal page_alloc.h Brendan Jackman
2026-06-29 14:16   ` sashiko-bot
2026-06-30 13:54   ` Vlastimil Babka (SUSE)
2026-06-29 13:11 ` [PATCH v3 05/16] mm/page_alloc: unify __alloc_frozen_pages[_nolock]_noprof() Brendan Jackman
2026-06-29 14:29   ` sashiko-bot
2026-06-29 15:27     ` Brendan Jackman
2026-06-30 13:36   ` Harry Yoo
2026-06-30 15:34     ` Vlastimil Babka (SUSE)
2026-06-30 16:56       ` Brendan Jackman
2026-07-01  2:10         ` Harry Yoo
2026-06-30 17:04     ` Brendan Jackman
2026-07-01  2:21       ` Harry Yoo
2026-06-30 16:16   ` Vlastimil Babka (SUSE)
2026-06-30 18:47     ` Brendan Jackman
2026-06-29 13:11 ` [PATCH v3 06/16] mm/page_alloc: relax GFP WARN in nolock allocs Brendan Jackman
2026-06-30 13:52   ` Harry Yoo
2026-06-30 16:42   ` Vlastimil Babka (SUSE)
2026-06-29 13:11 ` [PATCH v3 07/16] mm: move some stuff to mm/page_alloc.h Brendan Jackman
2026-06-30 16:42   ` Vlastimil Babka (SUSE)
2026-06-29 13:11 ` Brendan Jackman [this message]
2026-06-29 13:11 ` [PATCH v3 09/16] KVM: VMX: Use higher-level allocator API Brendan Jackman
2026-06-29 15:31   ` -EXT-[PATCH " Soderlund, David
2026-06-29 13:11 ` [PATCH v3 10/16] x86/virt: " Brendan Jackman
2026-06-29 13:12 ` [PATCH v3 11/16] sgi-xp: " Brendan Jackman
2026-06-29 15:04   ` sashiko-bot
2026-06-29 18:47   ` Steve Wahl
2026-06-29 13:12 ` [PATCH v3 12/16] net/funeth: Switch to " Brendan Jackman
2026-06-29 13:12 ` [PATCH v3 13/16] mm: Remove __alloc_pages_node() Brendan Jackman
2026-06-29 15:27   ` sashiko-bot
2026-06-29 13:12 ` [PATCH v3 14/16] mm: Move __alloc_pages() to mm/page_alloc.h Brendan Jackman
2026-06-29 13:12 ` [PATCH v3 15/16] mm: replace __GFP_NO_CODETAG with ALLOC_NO_CODETAG Brendan Jackman
2026-06-29 15:56   ` sashiko-bot
2026-06-30  4:34     ` Hao Ge
2026-06-30  1:55   ` Hao Ge
2026-06-30 10:10     ` Brendan Jackman
2026-07-01  1:47       ` Hao Ge
2026-07-01  1:52         ` Zi Yan
2026-06-30 12:01     ` Brendan Jackman
2026-06-29 13:12 ` [PATCH v3 16/16] mm: remove the __GFP_NO_OBJ_EXT flag Brendan Jackman
2026-06-29 16:02   ` sashiko-bot
2026-06-30 10:04     ` Brendan Jackman
2026-06-29 14:00 ` [PATCH v3 00/16] mm: Some cleanups for page allocator APIs Mike Rapoport
2026-06-29 14:30   ` Brendan Jackman
2026-06-29 15:05     ` Brendan Jackman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260629-alloc-trylock-v3-8-57bef0eadbc2@google.com \
    --to=jackmanb@google.com \
    --cc=acme@kernel.org \
    --cc=adrian.hunter@intel.com \
    --cc=akpm@linux-foundation.org \
    --cc=alexander.shishkin@linux.intel.com \
    --cc=apopple@nvidia.com \
    --cc=ast@kernel.org \
    --cc=bigeasy@linutronix.de \
    --cc=byungchul@sk.com \
    --cc=cl@gentwo.org \
    --cc=clrkwllms@kernel.org \
    --cc=david@kernel.org \
    --cc=gourry@gourry.net \
    --cc=hannes@cmpxchg.org \
    --cc=hao.ge@linux.dev \
    --cc=hao.li@linux.dev \
    --cc=harry@kernel.org \
    --cc=irogers@google.com \
    --cc=james.clark@linaro.org \
    --cc=jolsa@kernel.org \
    --cc=joshua.hahnjy@gmail.com \
    --cc=liam@infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-rt-devel@lists.linux.dev \
    --cc=ljs@kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=matthew.brost@intel.com \
    --cc=mhocko@suse.com \
    --cc=mingo@redhat.com \
    --cc=muchun.song@linux.dev \
    --cc=namhyung@kernel.org \
    --cc=osalvador@suse.de \
    --cc=peterz@infradead.org \
    --cc=rakie.kim@sk.com \
    --cc=rientjes@google.com \
    --cc=roman.gushchin@linux.dev \
    --cc=rostedt@goodmis.org \
    --cc=rppt@kernel.org \
    --cc=surenb@google.com \
    --cc=vbabka@kernel.org \
    --cc=willy@infradead.org \
    --cc=ying.huang@linux.alibaba.com \
    --cc=ziy@nvidia.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox