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From: Jinjie Ruan <ruanjinjie@huawei.com>
To: <viro@zeniv.linux.org.uk>, <brauner@kernel.org>, <jack@suse.cz>,
	<akpm@linux-foundation.org>, <Liam.Howlett@Oracle.com>,
	<lokeshgidra@google.com>, <lorenzo.stoakes@oracle.com>,
	<rppt@kernel.org>, <aarcange@redhat.com>, <ruanjinjie@huawei.com>,
	<Jason@zx2c4.com>, <linux-fsdevel@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>
Subject: [PATCH 0/2] userfaultfd: handle few NULL check inline
Date: Mon, 9 Dec 2024 21:25:47 +0800	[thread overview]
Message-ID: <20241209132549.2878604-1-ruanjinjie@huawei.com> (raw)

Handle dup_userfaultfd() and anon_vma_fork() NULL check inline to
save some function call overhead. The Unixbench single core process
create has 1% improve with these patches.

Jinjie Ruan (2):
  userfaultfd: handle dup_userfaultfd() NULL check inline
  mm, rmap: handle anon_vma_fork() NULL check inline

 fs/userfaultfd.c              |  5 +----
 include/linux/rmap.h          | 12 +++++++++++-
 include/linux/userfaultfd_k.h | 11 ++++++++++-
 mm/rmap.c                     |  6 +-----
 4 files changed, 23 insertions(+), 11 deletions(-)

-- 
2.34.1



             reply	other threads:[~2024-12-09 13:26 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-09 13:25 Jinjie Ruan [this message]
2024-12-09 13:25 ` [PATCH 1/2] userfaultfd: handle dup_userfaultfd() " Jinjie Ruan
2024-12-09 13:25 ` [PATCH 2/2] mm, rmap: handle anon_vma_fork() " Jinjie Ruan
2024-12-09 13:35   ` Matthew Wilcox
2024-12-10  2:25     ` Jinjie Ruan
2024-12-09 13:42 ` [PATCH 0/2] userfaultfd: handle few " Lorenzo Stoakes
2024-12-10  1:21   ` Jinjie Ruan

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