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riscv: Fix missing __free_pages() in check_vector_unaligned_access()

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The locally allocated pages are never freed up, so add the corresponding
__free_pages().

Fixes: e7c9d66e31 ("RISC-V: Report vector unaligned access speed hwprobe")
Link: https://lore.kernel.org/r/20250228090613.345309-1-alexghiti@rivosinc.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
This commit is contained in:
Alexandre Ghiti 2025-02-28 10:06:13 +01:00
parent 475afa39b1
commit 33981b1c4e
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GPG Key ID: 643FB2BC9285EF8A
1 changed files with 4 additions and 1 deletions
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5
arch/riscv/kernel/unaligned_access_speed.c
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@ -349,7 +349,7 @@ static void check_vector_unaligned_access(struct work_struct *work __always_unus
pr_warn("cpu%d: rdtime lacks granularity needed to measure unaligned vector access speed\n",
cpu);
return;
goto free;
}
if (word_cycles < byte_cycles)
@ -363,6 +363,9 @@ static void check_vector_unaligned_access(struct work_struct *work __always_unus
(speed == RISCV_HWPROBE_MISALIGNED_VECTOR_FAST) ? "fast" : "slow");
per_cpu(vector_misaligned_access, cpu) = speed;
free:
__free_pages(page, MISALIGNED_BUFFER_ORDER);
}
static int riscv_online_cpu_vec(unsigned int cpu)