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Message-Id: <1539621759-5967-1-git-send-email-schwidefsky@de.ibm.com>
Date: Mon, 15 Oct 2018 18:42:36 +0200
From: Martin Schwidefsky <schwidefsky@...ibm.com>
To: Li Wang <liwang@...hat.com>, Guenter Roeck <linux@...ck-us.net>,
Janosch Frank <frankja@...ux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
linux-kernel <linux-kernel@...r.kernel.org>,
Linux-MM <linux-mm@...ck.org>,
Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: [RFC][PATCH 0/3] pgtable bytes mis-accounting v2
Greetings,
the first test patch to fix the pgtable_bytes mis-accounting on s390
still had a few problems. For one it didn't work for x86 ..
Changes v1 -> v2:
- Split the patch into three parts, one patch to add the mm_pxd_folded
helpers, one patch to use to the helpers in mm_[dec|inc]_nr_[pmds|puds]
and finally the fix for s390.
- Drop the use of __is_defined, it does not work with the
__PAGETABLE_PxD_FOLDED defines
- Do not change the basic #ifdef'ery in mm.h, just add the calls
to mm_pxd_folded to the pgtable_bytes accounting functions. This
fixes the compile error on alpha (and potentially on other archs).
Martin Schwidefsky (3):
mm: introduce mm_[p4d|pud|pmd]_folded
mm: add mm_pxd_folded checks to pgtable_bytes accounting functions
s390/mm: fix mis-accounting of pgtable_bytes
arch/s390/include/asm/mmu_context.h | 5 ----
arch/s390/include/asm/pgalloc.h | 6 ++---
arch/s390/include/asm/pgtable.h | 18 ++++++++++++++
arch/s390/include/asm/tlb.h | 6 ++---
include/linux/mm.h | 48 +++++++++++++++++++++++++++++++++++++
5 files changed, 72 insertions(+), 11 deletions(-)
--
2.16.4
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