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perf/x86/intel: use higher-level allocator API

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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.

Link: https://lore.kernel.org/20260703-alloc-trylock-v5-8-c87b714e19d3@google.com
Signed-off-by: Brendan Jackman <jackmanb@google.com>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Reviewed-by: Vlastimil Babka (SUSE) <vbabka@kernel.org>
Reviewed-by: Zi Yan <ziy@nvidia.com>
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
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Brendan Jackman
2026-07-03 12:31:48 +00:00
committed by Andrew Morton
parent 6f414dbf21
commit ca74a82522
1 changed files with 3 additions and 3 deletions
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6
arch/x86/events/intel/ds.c
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@@ -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);