Unverified Commit de043da0 authored Dec 18, 2020 by Atish Patra Committed by Palmer Dabbelt Dec 21, 2020

RISC-V: Fix usage of memblock_enforce_memory_limit



memblock_enforce_memory_limit accepts the maximum memory size not the
maximum address that can be handled by kernel. Fix the function invocation
accordingly.

Fixes: 1bd14a66 ("RISC-V: Remove any memblock representing unusable memory area")
Cc: stable@vger.kernel.org
Reported-by: Bin Meng <bin.meng@windriver.com>
Tested-by: Bin Meng <bin.meng@windriver.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

parent e2ae6340

arch/riscv/mm/init.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -176,7 +176,7 @@ void __init setup_bootmem(void)
		* Make sure that any memory beyond mem_start + (-PAGE_OFFSET) is removed
		* as it is unusable by kernel.
		*/
		memblock_enforce_memory_limit(mem_start - PAGE_OFFSET);
		memblock_enforce_memory_limit(-PAGE_OFFSET);

		/* Reserve from the start of the kernel to the end of the kernel */
		memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start);

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