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AFNElJ9L8M6YRFffo3vZWAp8OA8cfYvxJnmZRrOQ4iejjAXiaXe142kaZd8NclI9OX8dna1GvL9eF2fpmw==@kvack.org X-Gm-Message-State: AOJu0YxQIJFFicMvfpPr87pVnO9dDBkhnXUrilOglVuN7qjFS4Mo9yTn KJyzexGI4F/DCABbAiTG0YDLdr245ZzZKYPdP1pQOncuCKT7FiziKeL3xpURgDFmU43zeGnge5o Z/3oaY8zDjNMaHQ== X-Received: from wmhn2.prod.google.com ([2002:a05:600c:3042:b0:493:ab17:3e61]) (user=jackmanb job=prod-delivery.src-stubby-dispatcher) by 2002:a05:600c:3f18:b0:492:6efc:7c60 with SMTP id 5b1f17b1804b1-4926fc919c3mr156189865e9.28.1782738745900; Mon, 29 Jun 2026 06:12:25 -0700 (PDT) Date: Mon, 29 Jun 2026 13:11:57 +0000 In-Reply-To: <20260629-alloc-trylock-v3-0-57bef0eadbc2@google.com> Mime-Version: 1.0 References: <20260629-alloc-trylock-v3-0-57bef0eadbc2@google.com> X-Mailer: b4 0.15.2 Message-ID: <20260629-alloc-trylock-v3-8-57bef0eadbc2@google.com> Subject: [PATCH v3 08/16] perf/x86/intel: Use higher-level allocator API From: Brendan Jackman To: Andrew Morton , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Johannes Weiner , Zi Yan , Muchun Song , Oscar Salvador , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Mike Rapoport , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Ying Huang , Alistair Popple , Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , Sebastian Andrzej Siewior , Clark Williams , Steven Rostedt Cc: "Harry Yoo (Oracle)" , Gregory Price , Johannes Weiner , Alexei Starovoitov , Matthew Wilcox , Hao Ge , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev, Brendan Jackman , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark Content-Type: text/plain; charset="utf-8" X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 2C8FC120004 X-Rspam-User: X-Stat-Signature: 1i5co36nz4ap9ff9wfx6syxzqmz1z751 X-HE-Tag: 1782738748-798845 X-HE-Meta: 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 8S0Whpst 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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 Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Namhyung Kim Cc: Mark Rutland Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Ian Rogers Cc: Adrian Hunter Cc: James Clark Assisted-by: Gemini:unknown-version Reviewed-by: Suren Baghdasaryan Signed-off-by: Brendan Jackman --- 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