Re: [PATCH V7] mm/debug: Add tests validating architecture page table helpers
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- To: Anshuman Khandual <Anshuman.Khandual@xxxxxxx>
- Subject: Re: [PATCH V7] mm/debug: Add tests validating architecture page table helpers
- From: Qian Cai <cai@xxxxxx>
- Date: Thu, 24 Oct 2019 12:51:57 -0400
- Cc: linux-mm@xxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxxxx>, Mark Rutland <Mark.Rutland@xxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>, Steven Price <Steven.Price@xxxxxxx>, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>, Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Sri Krishna chowdary <schowdary@xxxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxx>, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Vineet Gupta <vgupta@xxxxxxxxxxxx>, James Hogan <jhogan@xxxxxxxxxx>, Paul Burton <paul.burton@xxxxxxxx>, Ralf Baechle <ralf@xxxxxxxxxxxxxx>, "Kirill A . Shutemov" <kirill@xxxxxxxxxxxxx>, Gerald Schaefer <gerald.schaefer@xxxxxxxxxx>, Christophe Leroy <christophe.leroy@xxxxxx>, Mike Kravetz <mike.kravetz@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, linux-snps-arc@xxxxxxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <1571625739-29943-1-git-send-email-anshuman.khandual@arm.com>
- References: <1571625739-29943-1-git-send-email-anshuman.khandual@arm.com>
> On Oct 24, 2019, at 10:50 AM, Anshuman Khandual <Anshuman.Khandual@xxxxxxx> wrote:
>
> Changes in V7:
>
> - Memory allocation and free routines for mapped pages have been droped
> - Mapped pfns are derived from standard kernel text symbol per Matthew
> - Moved debug_vm_pgtaable() after page_alloc_init_late() per Michal and Qian
> - Updated the commit message per Michal
> - Updated W=1 GCC warning problem on x86 per Qian Cai
It would be interesting to know if you actually tested out to see if the warning went away. As far I can tell, the GCC is quite stubborn there, so I am not going to insist.
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