From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Andrew Morton <akpm@linux-foundation.org>,
Vlastimil Babka <vbabka@suse.cz>,
Vineet Gupta <vgupta@synopsys.com>,
Russell King <linux@armlinux.org.uk>,
Will Deacon <will.deacon@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Ralf Baechle <ralf@linux-mips.org>,
"David S. Miller" <davem@davemloft.net>,
"Aneesh Kumar K . V" <aneesh.kumar@linux.vnet.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Andrea Arcangeli <aarcange@redhat.com>
Cc: linux-arch@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCHv3 07/11] s390/mm: Modify pmdp_invalidate to return old value.
Date: Tue, 12 Sep 2017 18:39:37 +0300 [thread overview]
Message-ID: <20170912153941.47012-8-kirill.shutemov@linux.intel.com> (raw)
In-Reply-To: <20170912153941.47012-1-kirill.shutemov@linux.intel.com>
From: Martin Schwidefsky <schwidefsky@de.ibm.com>
It's required to avoid loosing dirty and accessed bits.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---
arch/s390/include/asm/pgtable.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index dce708e061ea..d3de8ddc55ec 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1504,10 +1504,11 @@ static inline pmd_t pmdp_huge_clear_flush(struct vm_area_struct *vma,
}
#define __HAVE_ARCH_PMDP_INVALIDATE
-static inline void pmdp_invalidate(struct vm_area_struct *vma,
+static inline pmd_t pmdp_invalidate(struct vm_area_struct *vma,
unsigned long addr, pmd_t *pmdp)
{
- pmdp_xchg_direct(vma->vm_mm, addr, pmdp, __pmd(_SEGMENT_ENTRY_EMPTY));
+ return pmdp_xchg_direct(vma->vm_mm, addr, pmdp,
+ __pmd(_SEGMENT_ENTRY_EMPTY));
}
#define __HAVE_ARCH_PMDP_SET_WRPROTECT
--
2.14.1
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2017-09-12 15:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-12 15:39 [PATCHv3 00/11] Do not loose dirty bit on THP pages Kirill A. Shutemov
2017-09-12 15:39 ` [PATCHv3 01/11] asm-generic: Provide generic_pmdp_establish() Kirill A. Shutemov
2017-09-12 15:39 ` [PATCHv3 02/11] arc: Use generic_pmdp_establish as pmdp_establish Kirill A. Shutemov
2017-09-12 15:39 ` [PATCHv3 03/11] arm/mm: Provide pmdp_establish() helper Kirill A. Shutemov
2017-09-12 15:39 ` [PATCHv3 04/11] arm64: " Kirill A. Shutemov
2017-09-12 15:39 ` [PATCHv3 05/11] mips: Use generic_pmdp_establish as pmdp_establish Kirill A. Shutemov
2017-09-12 15:39 ` [PATCHv3 06/11] powerpc/mm: update pmdp_invalidate to return old pmd value Kirill A. Shutemov
2017-09-12 15:39 ` Kirill A. Shutemov [this message]
2017-09-12 15:39 ` [PATCHv3 08/11] sparc64: " Kirill A. Shutemov
2017-09-13 5:06 ` Aneesh Kumar K.V
2017-09-12 15:39 ` [PATCHv3 09/11] x86/mm: Provide pmdp_establish() helper Kirill A. Shutemov
2017-09-12 15:39 ` [PATCHv3 10/11] mm: Do not loose dirty and access bits in pmdp_invalidate() Kirill A. Shutemov
2017-09-12 15:39 ` [PATCHv3 11/11] mm: Use updated pmdp_invalidate() interface to track dirty/accessed bits Kirill A. Shutemov
2017-09-13 2:08 ` Aneesh Kumar K.V
2017-12-13 10:13 ` Kirill A. Shutemov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170912153941.47012-8-kirill.shutemov@linux.intel.com \
--to=kirill.shutemov@linux.intel.com \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=catalin.marinas@arm.com \
--cc=davem@davemloft.net \
--cc=heiko.carstens@de.ibm.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux@armlinux.org.uk \
--cc=ralf@linux-mips.org \
--cc=schwidefsky@de.ibm.com \
--cc=vbabka@suse.cz \
--cc=vgupta@synopsys.com \
--cc=will.deacon@arm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox