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62a898b07b
Introduce bpf_mem_alloc_check_size() to check whether the allocation size exceeds the limitation for the kmalloc-equivalent allocator. The upper limit for percpu allocation is LLIST_NODE_SZ bytes larger than non-percpu allocation, so a percpu argument is added to the helper. The helper will be used in the following patch to check whether the size parameter passed to bpf_mem_alloc() is too big. Signed-off-by: Hou Tao <houtao1@huawei.com> Link: https://lore.kernel.org/r/20241030100516.3633640-3-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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