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Alexandre Ghiti authored
When KASAN vmalloc region is populated, there is no userspace process and the page table in use is swapper_pg_dir, so there is no need to read SATP. Then we can use the same scheme used by kasan_populate_p*d functions to go through the page table, which harmonizes the code. In addition, make use of set_pgd that goes through all unused page table levels, contrary to p*d_populate functions, which makes this function work whatever the number of page table levels. Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
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