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RISC-V Fixes for 5.11-rc1 

* A fix that avoids trying to initialize memory regions outside the
   usable range.
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Merge tag 'riscv-for-linus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fix from Palmer Dabbelt
 "Avoid trying to initialize memory regions outside the usable range"

* tag 'riscv-for-linus-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  RISC-V: Fix usage of memblock_enforce_memory_limit
This commit is contained in:
Linus Torvalds 2020-12-24 14:05:05 -08:00
parent 9b3f7f1b84 de043da0b9
commit 7a2fde8def
1 changed files with 1 additions and 1 deletions
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2
arch/riscv/mm/init.c
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@ -176,7 +176,7 @@ void __init setup_bootmem(void)
* Make sure that any memory beyond mem_start + (-PAGE_OFFSET) is removed * Make sure that any memory beyond mem_start + (-PAGE_OFFSET) is removed
* as it is unusable by kernel. * 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 */ /* Reserve from the start of the kernel to the end of the kernel */
memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start); memblock_reserve(vmlinux_start, vmlinux_end - vmlinux_start);