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From: Pavel Tatashin <pasha.tatashin@oracle.com>
To: linux-mm@kvack.org, sparclinux@vger.kernel.org
Subject: [PATCH v2 0/3] Zeroing hash tables in allocator
Date: Wed, 01 Mar 2017 00:14:40 +0000	[thread overview]
Message-ID: <1488327283-177710-1-git-send-email-pasha.tatashin@oracle.com> (raw)

Changes:
v1 -> v2: Reverted NG4memcpy() changes

On large machines hash tables can be many gigabytes in size and it is
inefficient to zero them in a loop without platform specific optimizations.

Using memset() provides a standard platform optimized way to zero the
memory.

Pavel Tatashin (3):
  sparc64: NG4 memset 32 bits overflow
  mm: Zeroing hash tables in allocator
  mm: Updated callers to use HASH_ZERO flag

 arch/sparc/lib/NG4memset.S          |   26 +++++++++++++-------------
 fs/dcache.c                         |   18 ++++--------------
 fs/inode.c                          |   14 ++------------
 fs/namespace.c                      |   10 ++--------
 include/linux/bootmem.h             |    1 +
 kernel/locking/qspinlock_paravirt.h |    3 ++-
 kernel/pid.c                        |    7 ++-----
 mm/page_alloc.c                     |   12 +++++++++---
 8 files changed, 35 insertions(+), 56 deletions(-)


WARNING: multiple messages have this Message-ID (diff)
From: Pavel Tatashin <pasha.tatashin@oracle.com>
To: linux-mm@kvack.org, sparclinux@vger.kernel.org
Subject: [PATCH v2 0/3] Zeroing hash tables in allocator
Date: Tue, 28 Feb 2017 19:14:40 -0500	[thread overview]
Message-ID: <1488327283-177710-1-git-send-email-pasha.tatashin@oracle.com> (raw)

Changes:
v1 -> v2: Reverted NG4memcpy() changes

On large machines hash tables can be many gigabytes in size and it is
inefficient to zero them in a loop without platform specific optimizations.

Using memset() provides a standard platform optimized way to zero the
memory.

Pavel Tatashin (3):
  sparc64: NG4 memset 32 bits overflow
  mm: Zeroing hash tables in allocator
  mm: Updated callers to use HASH_ZERO flag

 arch/sparc/lib/NG4memset.S          |   26 +++++++++++++-------------
 fs/dcache.c                         |   18 ++++--------------
 fs/inode.c                          |   14 ++------------
 fs/namespace.c                      |   10 ++--------
 include/linux/bootmem.h             |    1 +
 kernel/locking/qspinlock_paravirt.h |    3 ++-
 kernel/pid.c                        |    7 ++-----
 mm/page_alloc.c                     |   12 +++++++++---
 8 files changed, 35 insertions(+), 56 deletions(-)

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             reply	other threads:[~2017-03-01  0:14 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-01  0:14 Pavel Tatashin [this message]
2017-03-01  0:14 ` [PATCH v2 0/3] Zeroing hash tables in allocator Pavel Tatashin
2017-03-01  0:14 ` [PATCH v2 1/3] sparc64: NG4 memset 32 bits overflow Pavel Tatashin
2017-03-01  0:14   ` Pavel Tatashin
2017-03-01  0:24   ` Andi Kleen
2017-03-01  0:24     ` Andi Kleen
2017-03-01 14:51     ` Pasha Tatashin
2017-03-01 14:51       ` Pasha Tatashin
2017-03-01 15:19       ` Andi Kleen
2017-03-01 15:19         ` Andi Kleen
2017-03-01 16:34         ` Pasha Tatashin
2017-03-01 16:34           ` Pasha Tatashin
2017-03-01 17:31           ` Andi Kleen
2017-03-01 17:31             ` Andi Kleen
2017-03-01 21:20             ` Pasha Tatashin
2017-03-01 21:20               ` Pasha Tatashin
2017-03-01 23:10               ` Andi Kleen
2017-03-01 23:10                 ` Andi Kleen
2017-03-02 19:15                 ` Pasha Tatashin
2017-03-02 19:15                   ` Pasha Tatashin
2017-03-02  0:12               ` Matthew Wilcox
2017-03-02  0:12                 ` Matthew Wilcox
2017-03-01  0:14 ` [PATCH v2 2/3] mm: Zeroing hash tables in allocator Pavel Tatashin
2017-03-01  0:14   ` Pavel Tatashin
2017-03-01  0:14 ` [PATCH v2 3/3] mm: Updated callers to use HASH_ZERO flag Pavel Tatashin
2017-03-01  0:14   ` Pavel Tatashin

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