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SubjectRe: [PATCH v4] arm64: use generic free_initrd_mem()
On Sat, Sep 28, 2019 at 11:02:26AM +0300, Mike Rapoport wrote:
> From: Mike Rapoport <>
> arm64 calls memblock_free() for the initrd area in its implementation of
> free_initrd_mem(), but this call has no actual effect that late in the boot
> process. By the time initrd is freed, all the reserved memory is managed by
> the page allocator and the memblock.reserved is unused, so the only purpose
> of the memblock_free() call is to keep track of initrd memory for debugging
> and accounting.
> Without the memblock_free() call the only difference between arm64 and the
> generic versions of free_initrd_mem() is the memory poisoning.
> Move memblock_free() call to the generic code, enable it there
> for the architectures that define ARCH_KEEP_MEMBLOCK and use the generic
> implementation of free_initrd_mem() on arm64.
> Signed-off-by: Mike Rapoport <>

Queued for 5.5. Thanks.


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