6.13-stable review patch. If anyone has any objections, please let me know.
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From: Alexandre Ghiti alexghiti@rivosinc.com
[ Upstream commit 33981b1c4e499021421686dcfa7b3d23a430d00e ]
The locally allocated pages are never freed up, so add the corresponding __free_pages().
Fixes: e7c9d66e313b ("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 Signed-off-by: Sasha Levin sashal@kernel.org --- arch/riscv/kernel/unaligned_access_speed.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/kernel/unaligned_access_speed.c b/arch/riscv/kernel/unaligned_access_speed.c index 91f189cf16113..074ac4abd023e 100644 --- a/arch/riscv/kernel/unaligned_access_speed.c +++ b/arch/riscv/kernel/unaligned_access_speed.c @@ -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)