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From: Jeff Layton <jlayton@kernel.org>
To: Kaixiong Yu <yukaixiong@huawei.com>,
	akpm@linux-foundation.org,  mcgrof@kernel.org
Cc: ysato@users.sourceforge.jp, dalias@libc.org,
	glaubitz@physik.fu-berlin.de, 	luto@kernel.org,
	tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
		dave.hansen@linux.intel.com, hpa@zytor.com,
	viro@zeniv.linux.org.uk, 	brauner@kernel.org, jack@suse.cz,
	kees@kernel.org, j.granados@samsung.com, 	willy@infradead.org,
	Liam.Howlett@oracle.com, vbabka@suse.cz,
		lorenzo.stoakes@oracle.com, trondmy@kernel.org, anna@kernel.org,
		chuck.lever@oracle.com, neilb@suse.de, okorniev@redhat.com,
	Dai.Ngo@oracle.com, 	tom@talpey.com, davem@davemloft.net,
	edumazet@google.com, kuba@kernel.org,  pabeni@redhat.com,
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	linux-nfs@vger.kernel.org, 	netdev@vger.kernel.org,
	linux-security-module@vger.kernel.org, 	dhowells@redhat.com,
	haifeng.xu@shopee.com, baolin.wang@linux.alibaba.com,
	 shikemeng@huaweicloud.com, dchinner@redhat.com,
	bfoster@redhat.com,  souravpanda@google.com, hannes@cmpxchg.org,
	rientjes@google.com,  pasha.tatashin@soleen.com,
	david@redhat.com, ryan.roberts@arm.com,  ying.huang@intel.com,
	yang@os.amperecomputing.com, zev@bewilderbeest.net,
	 serge@hallyn.com, vegard.nossum@oracle.com,
	wangkefeng.wang@huawei.com
Subject: Re: [PATCH v4 -next 11/15] sunrpc: simplify rpcauth_cache_shrink_count()
Date: Sat, 28 Dec 2024 10:11:21 -0500	[thread overview]
Message-ID: <3bd144e59903056b7f4a95a2996bdeaeff6b5024.camel@kernel.org> (raw)
In-Reply-To: <20241228145746.2783627-12-yukaixiong@huawei.com>

On Sat, 2024-12-28 at 22:57 +0800, Kaixiong Yu wrote:
> It is inappropriate to use sysctl_vfs_cache_pressure here.
> The sysctl is documented as: This percentage value controls
> the tendency of the kernel to reclaim the memory which is used
> for caching of directory and inode objects.
> 
> So, simplify result of rpcauth_cache_shrink_count() to
> "return number_cred_unused;".
> 
> Signed-off-by: Kaixiong Yu <yukaixiong@huawei.com>
> Reviewed-by: Kees Cook <kees@kernel.org>
> Acked-by: Anna Schumaker <anna.schumaker@oracle.com>
> Acked-by: Jeff Layton <jlayton@kernel.org>
> ---
> v4:
>  - Simplify result of rpcauth_cache_shrink_count().
> ---
> ---
>  net/sunrpc/auth.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
> index 04534ea537c8..5a827afd8e3b 100644
> --- a/net/sunrpc/auth.c
> +++ b/net/sunrpc/auth.c
> @@ -489,7 +489,7 @@ static unsigned long
>  rpcauth_cache_shrink_count(struct shrinker *shrink, struct shrink_control *sc)
>  
>  {
> -	return number_cred_unused * sysctl_vfs_cache_pressure / 100;
> +	return number_cred_unused;
>  }
>  
>  static void

No objection here, but this patch seems unrelated to the rest of the
series. Should this go in via Anna or Trond's tree?

Cheers,
-- 
Jeff Layton <jlayton@kernel.org>


  reply	other threads:[~2024-12-28 15:11 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-28 14:57 [PATCH v4 -next 00/15] sysctl: move sysctls from vm_table into its own files Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 01/15] mm: vmstat: move sysctls to mm/vmstat.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 02/15] mm: filemap: move sysctl to mm/filemap.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 03/15] mm: swap: move sysctl to mm/swap.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 04/15] mm: vmscan: move vmscan sysctls to mm/vmscan.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 05/15] mm: util: move sysctls to mm/util.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 06/15] mm: mmap: move sysctl to mm/mmap.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 07/15] security: min_addr: move sysctl to security/min_addr.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 08/15] mm: nommu: move sysctl to mm/nommu.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 09/15] fs: fs-writeback: move sysctl to fs/fs-writeback.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 10/15] fs: drop_caches: move sysctl to fs/drop_caches.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 11/15] sunrpc: simplify rpcauth_cache_shrink_count() Kaixiong Yu
2024-12-28 15:11   ` Jeff Layton [this message]
2024-12-28 14:57 ` [PATCH v4 -next 12/15] fs: dcache: move the sysctl to fs/dcache.c Kaixiong Yu
2024-12-28 14:57 ` [PATCH v4 -next 13/15] x86: vdso: move the sysctl to arch/x86/entry/vdso/vdso32-setup.c Kaixiong Yu
2024-12-29 23:05   ` Brian Gerst
2024-12-30  3:02     ` yukaixiong
2024-12-30  6:43     ` yukaixiong
2025-01-06 12:14       ` Joel Granados
2025-01-09  2:43         ` yukaixiong
2024-12-28 14:57 ` [PATCH v4 -next 14/15] sh: vdso: move the sysctl to arch/sh/kernel/vsyscall/vsyscall.c Kaixiong Yu
2025-01-03 11:11   ` Geert Uytterhoeven
2025-01-09  2:33     ` yukaixiong
2025-01-06 11:59   ` Joel Granados
2025-01-09  2:40     ` yukaixiong
2024-12-28 14:57 ` [PATCH v4 -next 15/15] sysctl: remove unneeded include Kaixiong Yu
2024-12-28 15:11 ` [PATCH v4 -next 00/15] sysctl: move sysctls from vm_table into its own files Jeff Layton
2024-12-30  2:58   ` yukaixiong
2025-01-06 12:15 ` Joel Granados
2025-01-09  2:50   ` yukaixiong
  -- strict thread matches above, loose matches on Subject: below --
2024-12-23 14:15 Kaixiong Yu
2024-12-23 14:15 ` [PATCH v4 -next 11/15] sunrpc: simplify rpcauth_cache_shrink_count() Kaixiong Yu
2024-12-23 14:15 ` Kaixiong Yu

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