Unverified Commit e75e6bf4 authored by zhouchuangao's avatar zhouchuangao Committed by Palmer Dabbelt
Browse files

riscv/mm: Use BUG_ON instead of if condition followed by BUG. 



BUG_ON() uses unlikely in if(), which can be optimized at compile time.

Signed-off-by: default avatarzhouchuangao <zhouchuangao@vivo.com>
Signed-off-by: default avatarPalmer Dabbelt <palmerdabbelt@google.com>
parent b1ebaa0e

arch/riscv/mm/init.c

+2 −2
Original line number Diff line number Diff line
@@ -232,8 +232,8 @@ static phys_addr_t alloc_pte_late(uintptr_t va) 
	unsigned long vaddr;



	vaddr = __get_free_page(GFP_KERNEL);

	if (!vaddr || !pgtable_pte_page_ctor(virt_to_page(vaddr)))

		BUG();

	BUG_ON(!vaddr || !pgtable_pte_page_ctor(virt_to_page(vaddr)));



	return __pa(vaddr);

}