Re: [PATCH] mm: ptdump: Reduce level numbers by 1 in note_page()

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On Thu, Oct 31, 2019 at 01:33:22PM +0000, Steven Price wrote:
> Rather than having to increment the 'depth' number by 1 in
> ptdump_hole(), let's change the meaning of 'level' in note_page() since
> that makes the code simplier.
> 
> Note that for x86, the level numbers were previously increased by 1 in
> commit 45dcd2091363 ("x86/mm/dump_pagetables: Fix printout of p4d level")
> and the comment "Bit 7 has a different meaning" was not updated, so this
> change also makes the code match the comment again.
> 
> Signed-off-by: Steven Price <steven.price@xxxxxxx>
> ---
>  arch/arm64/mm/dump.c          |  6 +++---
>  arch/x86/mm/dump_pagetables.c | 19 ++++++++++---------
>  include/linux/ptdump.h        |  1 +
>  mm/ptdump.c                   | 16 ++++++++--------

For the arm64 part:

Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>




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