From: Thomas Gleixner <tglx@linutronix.de>
To: Baoquan He <bhe@redhat.com>
Cc: "Russell King (Oracle)" <linux@armlinux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Christoph Hellwig <hch@lst.de>,
Uladzislau Rezki <urezki@gmail.com>,
Lorenzo Stoakes <lstoakes@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
John Ogness <jogness@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Mark Rutland <mark.rutland@arm.com>,
Marc Zyngier <maz@kernel.org>,
x86@kernel.org, Nadav Amit <nadav.amit@gmail.com>
Subject: Re: [RFC PATCH 1/3] mm/vmalloc.c: try to flush vmap_area one by one
Date: Fri, 19 May 2023 16:16:22 +0200 [thread overview]
Message-ID: <87r0rc4dah.ffs@tglx> (raw)
In-Reply-To: <ZGdlF0nuLoSI7FPX@MiWiFi-R3L-srv>
On Fri, May 19 2023 at 20:01, Baoquan He wrote:
> +
> + if (IS_ENABLED(CONFIG_HAVE_FLUSH_TLB_KERNEL_VAS)) {
> + list_for_each_entry(va, &local_purge_list, list)
> + num_entries += (va->va_end - va->va_start) >>
> PAGE_SHIFT;
That's still doing he list thing and as Nadav pointed out, we want
something else there. I'm working on it.
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WARNING: multiple messages have this Message-ID (diff)
From: Thomas Gleixner <tglx@linutronix.de>
To: Baoquan He <bhe@redhat.com>
Cc: "Russell King (Oracle)" <linux@armlinux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, Christoph Hellwig <hch@lst.de>,
Uladzislau Rezki <urezki@gmail.com>,
Lorenzo Stoakes <lstoakes@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
John Ogness <jogness@linutronix.de>,
linux-arm-kernel@lists.infradead.org,
Mark Rutland <mark.rutland@arm.com>,
Marc Zyngier <maz@kernel.org>,
x86@kernel.org, Nadav Amit <nadav.amit@gmail.com>
Subject: Re: [RFC PATCH 1/3] mm/vmalloc.c: try to flush vmap_area one by one
Date: Fri, 19 May 2023 16:16:22 +0200 [thread overview]
Message-ID: <87r0rc4dah.ffs@tglx> (raw)
In-Reply-To: <ZGdlF0nuLoSI7FPX@MiWiFi-R3L-srv>
On Fri, May 19 2023 at 20:01, Baoquan He wrote:
> +
> + if (IS_ENABLED(CONFIG_HAVE_FLUSH_TLB_KERNEL_VAS)) {
> + list_for_each_entry(va, &local_purge_list, list)
> + num_entries += (va->va_end - va->va_start) >>
> PAGE_SHIFT;
That's still doing he list thing and as Nadav pointed out, we want
something else there. I'm working on it.
next prev parent reply other threads:[~2023-05-19 14:16 UTC|newest]
Thread overview: 150+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-15 16:43 Excessive TLB flush ranges Thomas Gleixner
2023-05-15 16:43 ` Thomas Gleixner
2023-05-15 16:59 ` Russell King (Oracle)
2023-05-15 16:59 ` Russell King (Oracle)
2023-05-15 19:46 ` Thomas Gleixner
2023-05-15 19:46 ` Thomas Gleixner
2023-05-15 21:11 ` Thomas Gleixner
2023-05-15 21:11 ` Thomas Gleixner
2023-05-15 21:31 ` Russell King (Oracle)
2023-05-15 21:31 ` Russell King (Oracle)
2023-05-16 6:37 ` Thomas Gleixner
2023-05-16 6:37 ` Thomas Gleixner
2023-05-16 6:46 ` Thomas Gleixner
2023-05-16 6:46 ` Thomas Gleixner
2023-05-16 8:18 ` Thomas Gleixner
2023-05-16 8:18 ` Thomas Gleixner
2023-05-16 8:20 ` Thomas Gleixner
2023-05-16 8:20 ` Thomas Gleixner
2023-05-16 8:27 ` Russell King (Oracle)
2023-05-16 8:27 ` Russell King (Oracle)
2023-05-16 9:03 ` Thomas Gleixner
2023-05-16 9:03 ` Thomas Gleixner
2023-05-16 10:05 ` Baoquan He
2023-05-16 10:05 ` Baoquan He
2023-05-16 14:21 ` Thomas Gleixner
2023-05-16 14:21 ` Thomas Gleixner
2023-05-16 19:03 ` Thomas Gleixner
2023-05-16 19:03 ` Thomas Gleixner
2023-05-17 9:38 ` Thomas Gleixner
2023-05-17 9:38 ` Thomas Gleixner
2023-05-17 10:52 ` Baoquan He
2023-05-17 10:52 ` Baoquan He
2023-05-19 11:22 ` Thomas Gleixner
2023-05-19 11:22 ` Thomas Gleixner
2023-05-19 11:49 ` Baoquan He
2023-05-19 11:49 ` Baoquan He
2023-05-19 14:13 ` Thomas Gleixner
2023-05-19 14:13 ` Thomas Gleixner
2023-05-19 12:01 ` [RFC PATCH 1/3] mm/vmalloc.c: try to flush vmap_area one by one Baoquan He
2023-05-19 12:01 ` Baoquan He
2023-05-19 14:16 ` Thomas Gleixner [this message]
2023-05-19 14:16 ` Thomas Gleixner
2023-05-19 12:02 ` [RFC PATCH 2/3] mm/vmalloc.c: Only flush VM_FLUSH_RESET_PERMS area immediately Baoquan He
2023-05-19 12:02 ` Baoquan He
2023-05-19 12:03 ` [RFC PATCH 3/3] mm/vmalloc.c: change _vm_unmap_aliases() to do purge firstly Baoquan He
2023-05-19 12:03 ` Baoquan He
2023-05-19 14:17 ` Thomas Gleixner
2023-05-19 14:17 ` Thomas Gleixner
2023-05-19 18:38 ` Thomas Gleixner
2023-05-19 18:38 ` Thomas Gleixner
2023-05-19 23:46 ` Baoquan He
2023-05-19 23:46 ` Baoquan He
2023-05-21 23:10 ` Thomas Gleixner
2023-05-21 23:10 ` Thomas Gleixner
2023-05-22 11:21 ` Baoquan He
2023-05-22 11:21 ` Baoquan He
2023-05-22 12:02 ` Thomas Gleixner
2023-05-22 12:02 ` Thomas Gleixner
2023-05-22 14:34 ` Baoquan He
2023-05-22 14:34 ` Baoquan He
2023-05-22 20:21 ` Thomas Gleixner
2023-05-22 20:21 ` Thomas Gleixner
2023-05-22 20:44 ` Thomas Gleixner
2023-05-22 20:44 ` Thomas Gleixner
2023-05-23 9:35 ` Baoquan He
2023-05-23 9:35 ` Baoquan He
2023-05-19 13:49 ` Excessive TLB flush ranges Thomas Gleixner
2023-05-19 13:49 ` Thomas Gleixner
2023-05-16 8:21 ` Russell King (Oracle)
2023-05-16 8:21 ` Russell King (Oracle)
2023-05-16 8:19 ` Russell King (Oracle)
2023-05-16 8:19 ` Russell King (Oracle)
2023-05-16 8:44 ` Thomas Gleixner
2023-05-16 8:44 ` Thomas Gleixner
2023-05-16 8:48 ` Russell King (Oracle)
2023-05-16 8:48 ` Russell King (Oracle)
2023-05-16 12:09 ` Thomas Gleixner
2023-05-16 12:09 ` Thomas Gleixner
2023-05-16 13:42 ` Uladzislau Rezki
2023-05-16 13:42 ` Uladzislau Rezki
2023-05-16 14:38 ` Thomas Gleixner
2023-05-16 14:38 ` Thomas Gleixner
2023-05-16 15:01 ` Uladzislau Rezki
2023-05-16 15:01 ` Uladzislau Rezki
2023-05-16 17:04 ` Thomas Gleixner
2023-05-16 17:04 ` Thomas Gleixner
2023-05-17 11:26 ` Uladzislau Rezki
2023-05-17 11:26 ` Uladzislau Rezki
2023-05-17 11:58 ` Thomas Gleixner
2023-05-17 11:58 ` Thomas Gleixner
2023-05-17 12:15 ` Uladzislau Rezki
2023-05-17 12:15 ` Uladzislau Rezki
2023-05-17 16:32 ` Thomas Gleixner
2023-05-17 16:32 ` Thomas Gleixner
2023-05-19 10:01 ` Uladzislau Rezki
2023-05-19 10:01 ` Uladzislau Rezki
2023-05-19 14:56 ` Thomas Gleixner
2023-05-19 14:56 ` Thomas Gleixner
2023-05-19 15:14 ` Uladzislau Rezki
2023-05-19 15:14 ` Uladzislau Rezki
2023-05-19 16:32 ` Thomas Gleixner
2023-05-19 16:32 ` Thomas Gleixner
2023-05-19 17:02 ` Uladzislau Rezki
2023-05-19 17:02 ` Uladzislau Rezki
2023-05-16 17:56 ` Nadav Amit
2023-05-16 17:56 ` Nadav Amit
2023-05-16 19:32 ` Thomas Gleixner
2023-05-16 19:32 ` Thomas Gleixner
2023-05-17 0:23 ` Thomas Gleixner
2023-05-17 0:23 ` Thomas Gleixner
2023-05-17 1:23 ` Nadav Amit
2023-05-17 1:23 ` Nadav Amit
2023-05-17 10:31 ` Thomas Gleixner
2023-05-17 10:31 ` Thomas Gleixner
2023-05-17 11:47 ` Thomas Gleixner
2023-05-17 11:47 ` Thomas Gleixner
2023-05-17 22:41 ` Nadav Amit
2023-05-17 22:41 ` Nadav Amit
2023-05-17 14:43 ` Mark Rutland
2023-05-17 14:43 ` Mark Rutland
2023-05-17 16:41 ` Thomas Gleixner
2023-05-17 16:41 ` Thomas Gleixner
2023-05-17 22:57 ` Nadav Amit
2023-05-17 22:57 ` Nadav Amit
2023-05-19 11:49 ` Thomas Gleixner
2023-05-19 11:49 ` Thomas Gleixner
2023-05-17 12:12 ` Russell King (Oracle)
2023-05-17 12:12 ` Russell King (Oracle)
2023-05-17 23:14 ` Nadav Amit
2023-05-17 23:14 ` Nadav Amit
2023-05-15 18:17 ` Uladzislau Rezki
2023-05-15 18:17 ` Uladzislau Rezki
2023-05-16 2:26 ` Baoquan He
2023-05-16 2:26 ` Baoquan He
2023-05-16 6:40 ` Thomas Gleixner
2023-05-16 6:40 ` Thomas Gleixner
2023-05-16 8:07 ` Baoquan He
2023-05-16 8:07 ` Baoquan He
2023-05-16 8:10 ` Baoquan He
2023-05-16 8:10 ` Baoquan He
2023-05-16 8:45 ` Russell King (Oracle)
2023-05-16 8:45 ` Russell King (Oracle)
2023-05-16 9:13 ` Thomas Gleixner
2023-05-16 9:13 ` Thomas Gleixner
2023-05-16 8:54 ` Thomas Gleixner
2023-05-16 8:54 ` Thomas Gleixner
2023-05-16 9:48 ` Baoquan He
2023-05-16 9:48 ` Baoquan He
2023-05-15 20:02 ` Nadav Amit
2023-05-15 20:02 ` Nadav Amit
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