Panic on kmemleak scan

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Hello Mike,

commit a7259df767 ("memblock: make memblock_find_in_range method private") [1]
invokes a kernel panic while running kmemleak on OF platforms with nomaped
regions, basically it's similar to an issue reported and fixed earlier by [2]:

  Unable to handle kernel paging request at virtual address ffff000021e00000
  [...]
    scan_block+0x64/0x170
    scan_gray_list+0xe8/0x17c
    kmemleak_scan+0x270/0x514
    kmemleak_write+0x34c/0x4ac

I believe it would be a trivial problem to correct for you, thank you in
advance!

[1] https://lore.kernel.org/all/20210816122622.30279-1-rppt@xxxxxxxxxx/T/#u
[2] https://lore.kernel.org/lkml/20190119132832.GA29881@MBP.local/t/#m032124f36c07

--
Best wishes,
Vladimir




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