public inbox for linux-mm@kvack.org
 help / color / mirror / Atom feed
From: "Vlastimil Babka (SUSE)" <vbabka@kernel.org>
To: hu.shengming@zte.com.cn, harry@kernel.org
Cc: tglx@kernel.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, arnd@arndb.de, x86@kernel.org,
	baolu.lu@linux.intel.com, iommu@lists.linux.dev,
	m.grzeschik@pengutronix.de, netdev@vger.kernel.org,
	linux-wireless@vger.kernel.org, herbert@gondor.apana.org.au,
	linux-crypto@vger.kernel.org, dwmw2@infradead.org,
	bernie@plugable.com, linux-fbdev@vger.kernel.org, tytso@mit.edu,
	linux-ext4@vger.kernel.org, akpm@linux-foundation.org,
	urezki@gmail.com, elver@google.com, dvyukov@google.com,
	kasan-dev@googlegroups.com, ryabinin.a.a@gmail.com,
	t.sailer@alumni.ethz.ch, linux-hams@vger.kernel.org,
	Jason@zx2c4.com, richard.henderson@linaro.org,
	linux-alpha@vger.kernel.org, linux@armlinux.org.uk,
	linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com,
	chenhuacai@kernel.org, loongarch@lists.linux.dev,
	geert@linux-m68k.org, linux-m68k@lists.linux-m68k.org,
	dinguyen@kernel.org, jonas@southpole.se,
	linux-openrisc@vger.kernel.org, deller@gmx.de,
	linux-parisc@vger.kernel.org, mpe@ellerman.id.au,
	linuxppc-dev@lists.ozlabs.org, pjw@kernel.org,
	linux-riscv@lists.infradead.org, hca@linux.ibm.com,
	linux-s390@vger.kernel.org, davem@davemloft.net,
	sparclinux@vger.kernel.org, hao.li@linux.dev, cl@gentwo.org,
	rientjes@google.com, roman.gushchin@linux.dev
Subject: Re: [patch 14/38] slub: Use prandom instead of get_cycles()
Date: Mon, 13 Apr 2026 15:45:59 +0200	[thread overview]
Message-ID: <ed8cf7e9-4271-48ab-a410-d7c0e2832020@kernel.org> (raw)
In-Reply-To: <20260413210252672ZfdcegJLJtyvlYdFAUBlr@zte.com.cn>

On 4/13/26 15:02, hu.shengming@zte.com.cn wrote:
> Harry wrote:
>> [Resending after fixing broken email headers]
>> 
>> On Fri, Apr 10, 2026 at 02:19:37PM +0200, Thomas Gleixner wrote:
>> > The decision whether to scan remote nodes is based on a 'random' number
>> > retrieved via get_cycles(). get_cycles() is about to be removed.
>> > 
>> > There is already prandom state in the code, so use that instead.
>> > 
>> > Signed-off-by: Thomas Gleixner <tglx@kernel.org>
>> > Cc: Vlastimil Babka <vbabka@kernel.org>
>> > Cc: linux-mm@kvack.org
>> > ---
>> 
>> Acked-by: Harry Yoo (Oracle) <harry@kernel.org>
>> 
>> Is this for this merge window?

I'd say it's not intended for 7.1 as it's not in -next and v1 was posted
just before the merge window.

>> This may conflict with upcoming changes on freelist shuffling [1]
>> (not queued for slab/for-next yet though), but it should be easy to
>> resolve.

Indeed, it's a simple conflict.

> 
> Hi Harry,
> 
> Would you like me to wait for this patch to land linux-next and then
> rebase and send v6 on top?

Just send it now based same as previously so we can finish the reviews, and
we'll deal with it after rc1.



  reply	other threads:[~2026-04-13 13:46 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-10 12:18 [patch 00/38] treewide: Cleanup LATCH, CLOCK_TICK_RATE and get_cycles() [ab]use Thomas Gleixner
2026-04-10 12:18 ` [patch 01/38] percpu: Sanitize __percpu_qual include hell Thomas Gleixner
2026-04-10 12:18 ` [patch 02/38] x86: Cleanup include recursion hell Thomas Gleixner
2026-04-10 20:55   ` [patch V1.1 " Thomas Gleixner
2026-04-10 12:18 ` [patch 03/38] x86/apm: Remove last LATCH usage Thomas Gleixner
2026-04-10 12:18 ` [patch 04/38] x86: Use PIT_TICK_RATE instead of CLOCK_TICK_RATE Thomas Gleixner
2026-04-10 12:18 ` [patch 05/38] treewide: Remove CLOCK_TICK_RATE Thomas Gleixner
2026-04-10 12:18 ` [patch 06/38] calibrate: Rework delay timer calibration Thomas Gleixner
2026-04-10 12:19 ` [patch 07/38] treewide: Consolidate cycles_t Thomas Gleixner
2026-04-13  9:15   ` Ojaswin Mujoo
2026-04-10 12:19 ` [patch 08/38] x86/tsc: Use rdtsc() instead of get_cycles() Thomas Gleixner
2026-04-10 12:19 ` [patch 09/38] iommu/vt-d: Use sched_clock() " Thomas Gleixner
2026-04-10 13:45   ` Baolu Lu
2026-04-10 15:14     ` Thomas Gleixner
2026-04-10 12:19 ` [patch 10/38] arcnet: Remove function timing code Thomas Gleixner
2026-04-13 15:29   ` David Woodhouse
2026-04-10 12:19 ` [patch 11/38] misc: sgi-gru: Remove get_cycles() [ab]use Thomas Gleixner
2026-04-10 20:56   ` [patch V1.1 " Thomas Gleixner
2026-04-10 12:19 ` [patch 12/38] wifi: wil6210: Replace get_cyles() usage Thomas Gleixner
2026-04-10 12:19 ` [patch 13/38] crypto: tcrypt: Replace get_cycles() with ktime_get() Thomas Gleixner
2026-04-10 12:19 ` [patch 14/38] slub: Use prandom instead of get_cycles() Thomas Gleixner
2026-04-13  9:00   ` Vlastimil Babka (SUSE)
2026-04-13  9:07   ` Harry Yoo (Oracle)
2026-04-13 13:02     ` hu.shengming
2026-04-13 13:45       ` Vlastimil Babka (SUSE) [this message]
2026-04-10 12:19 ` [patch 15/38] ptp: ptp_vmclock: Replace get_cycles() usage Thomas Gleixner
2026-04-13 15:33   ` David Woodhouse
2026-04-10 12:19 ` [patch 16/38] fbdev: udlfb: Replace get_cycles() with ktime_get() Thomas Gleixner
2026-04-10 12:19 ` [patch 17/38] ext4: Replace get_cycles() usage " Thomas Gleixner
2026-04-13 14:46   ` Arnd Bergmann
2026-04-10 12:19 ` [patch 18/38] lib/tests: Replace get_cycles() " Thomas Gleixner
2026-04-10 12:20 ` [patch 19/38] kcsan: Replace get_cycles() usage Thomas Gleixner
2026-04-10 13:39   ` Marco Elver
2026-04-10 12:20 ` [patch 20/38] kasan: sw_tags: Replace get_cycles() by random_get_entropy() Thomas Gleixner
2026-04-10 12:20 ` [patch 21/38] hamradio: baycom_epp: Remove BAYCOM_DEBUG Thomas Gleixner
2026-04-10 12:20 ` [patch 22/38] random: Provide CONFIG_ARCH_HAS_RANDOM_ENTROPY Thomas Gleixner
2026-04-10 12:20 ` [patch 23/38] alpha: Select ARCH_HAS_RANDOM_ENTROPY Thomas Gleixner
2026-04-12 13:22   ` Magnus Lindholm
2026-04-10 12:20 ` [patch 24/38] ARM: " Thomas Gleixner
2026-04-10 12:20 ` [patch 25/38] arm64: " Thomas Gleixner
2026-04-10 12:20 ` [patch 26/38] loongarch: " Thomas Gleixner
2026-04-10 12:20 ` [patch 27/38] m68k: " Thomas Gleixner
2026-04-10 15:31   ` Daniel Palmer
2026-04-10 12:20 ` [patch 28/38] mips: " Thomas Gleixner
2026-04-13  5:47   ` Maciej W. Rozycki
2026-04-10 12:20 ` [patch 29/38] nios2: " Thomas Gleixner
2026-04-10 12:20 ` [patch 30/38] openrisc: " Thomas Gleixner
2026-04-12  8:56   ` Stafford Horne
2026-04-10 12:21 ` [patch 31/38] parisc: " Thomas Gleixner
2026-04-10 12:21 ` [patch 32/38] powerpc/spufs: Use mftb() directly Thomas Gleixner
2026-04-13 14:43   ` Arnd Bergmann
2026-04-10 12:21 ` [patch 33/38] powerpc: Select ARCH_HAS_RANDOM_ENTROPY Thomas Gleixner
2026-04-10 12:21 ` [patch 34/38] riscv: " Thomas Gleixner
2026-04-10 12:21 ` [patch 35/38] s390: " Thomas Gleixner
2026-04-10 12:21 ` [patch 36/38] sparc: Select ARCH_HAS_RANDOM_ENTROPY for SPARC64 Thomas Gleixner
2026-04-10 12:21 ` [patch 37/38] x86: Select ARCH_HAS_RANDOM_ENTROPY Thomas Gleixner
2026-04-10 12:21 ` [patch 38/38] treewide: Remove asm/timex.h includes from generic code Thomas Gleixner
2026-04-13 14:45   ` Arnd Bergmann

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=ed8cf7e9-4271-48ab-a410-d7c0e2832020@kernel.org \
    --to=vbabka@kernel.org \
    --cc=Jason@zx2c4.com \
    --cc=akpm@linux-foundation.org \
    --cc=arnd@arndb.de \
    --cc=baolu.lu@linux.intel.com \
    --cc=bernie@plugable.com \
    --cc=catalin.marinas@arm.com \
    --cc=chenhuacai@kernel.org \
    --cc=cl@gentwo.org \
    --cc=davem@davemloft.net \
    --cc=deller@gmx.de \
    --cc=dinguyen@kernel.org \
    --cc=dvyukov@google.com \
    --cc=dwmw2@infradead.org \
    --cc=elver@google.com \
    --cc=geert@linux-m68k.org \
    --cc=hao.li@linux.dev \
    --cc=harry@kernel.org \
    --cc=hca@linux.ibm.com \
    --cc=herbert@gondor.apana.org.au \
    --cc=hu.shengming@zte.com.cn \
    --cc=iommu@lists.linux.dev \
    --cc=jonas@southpole.se \
    --cc=kasan-dev@googlegroups.com \
    --cc=linux-alpha@vger.kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-crypto@vger.kernel.org \
    --cc=linux-ext4@vger.kernel.org \
    --cc=linux-fbdev@vger.kernel.org \
    --cc=linux-hams@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-m68k@lists.linux-m68k.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-openrisc@vger.kernel.org \
    --cc=linux-parisc@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=linux-wireless@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=loongarch@lists.linux.dev \
    --cc=m.grzeschik@pengutronix.de \
    --cc=mpe@ellerman.id.au \
    --cc=netdev@vger.kernel.org \
    --cc=pjw@kernel.org \
    --cc=richard.henderson@linaro.org \
    --cc=rientjes@google.com \
    --cc=roman.gushchin@linux.dev \
    --cc=ryabinin.a.a@gmail.com \
    --cc=sparclinux@vger.kernel.org \
    --cc=t.sailer@alumni.ethz.ch \
    --cc=tglx@kernel.org \
    --cc=tytso@mit.edu \
    --cc=urezki@gmail.com \
    --cc=x86@kernel.org \
    /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