From: Oscar Salvador <osalvador@suse.de>
To: Alastair D'Silva <alastair@d-silva.org>
Cc: 'Michal Hocko' <mhocko@kernel.org>,
'Alastair D'Silva' <alastair@au1.ibm.com>,
'Arun KS' <arunks@codeaurora.org>,
'Mukesh Ojha' <mojha@codeaurora.org>,
'Logan Gunthorpe' <logang@deltatee.com>,
'Wei Yang' <richard.weiyang@gmail.com>,
'Peter Zijlstra' <peterz@infradead.org>,
'Ingo Molnar' <mingo@kernel.org>,
linux-mm@kvack.org, 'Qian Cai' <cai@lca.pw>,
'Thomas Gleixner' <tglx@linutronix.de>,
'Andrew Morton' <akpm@linux-foundation.org>,
'Mike Rapoport' <rppt@linux.vnet.ibm.com>,
'Baoquan He' <bhe@redhat.com>,
'David Hildenbrand' <david@redhat.com>,
'Josh Poimboeuf' <jpoimboe@redhat.com>,
'Pavel Tatashin' <pasha.tatashin@soleen.com>,
'Juergen Gross' <jgross@suse.com>,
'Oscar Salvador' <osalvador@suse.com>,
'Jiri Kosina' <jkosina@suse.cz>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/5] mm/hotplug: Avoid RCU stalls when removing large amounts of memory
Date: Mon, 17 Jun 2019 17:49:23 +0200 [thread overview]
Message-ID: <20190617154923.GB2407@linux> (raw)
In-Reply-To: <068b01d524e2$4a5f5c30$df1e1490$@d-silva.org>
On Mon, Jun 17, 2019 at 05:57:16PM +1000, Alastair D'Silva wrote:
> I was getting stalls when removing ~1TB of memory.
Would you mind sharing one of those stalls-splats?
I am bit spectic here because as I Michal pointed out, we do cond_resched
once per section removed.
--
Oscar Salvador
SUSE L3
next prev parent reply other threads:[~2019-06-17 15:49 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-17 4:36 [PATCH 0/5] mm: Cleanup & allow modules to hotplug memory Alastair D'Silva
2019-06-17 4:36 ` [PATCH 1/5] mm: Trigger bug on if a section is not found in __section_nr Alastair D'Silva
2019-06-17 6:46 ` Mike Rapoport
2019-06-17 4:36 ` [PATCH 2/5] mm: don't hide potentially null memmap pointer in sparse_remove_one_section Alastair D'Silva
2019-06-17 6:49 ` Mike Rapoport
2019-06-17 7:26 ` David Hildenbrand
2019-06-17 4:36 ` [PATCH 3/5] mm: Don't manually decrement num_poisoned_pages Alastair D'Silva
2019-06-17 6:52 ` Mike Rapoport
2019-06-17 7:17 ` David Hildenbrand
2019-06-17 4:36 ` [PATCH 4/5] mm/hotplug: Avoid RCU stalls when removing large amounts of memory Alastair D'Silva
2019-06-17 6:53 ` Mike Rapoport
2019-06-17 6:58 ` Alastair D'Silva
2019-06-17 7:47 ` Michal Hocko
2019-06-17 7:57 ` Alastair D'Silva
2019-06-17 8:21 ` Michal Hocko
2019-06-17 15:49 ` Oscar Salvador [this message]
2019-06-17 4:36 ` [PATCH 5/5] mm/hotplug: export try_online_node Alastair D'Silva
2019-06-17 6:59 ` Peter Zijlstra
2019-06-17 7:05 ` Alastair D'Silva
2019-06-17 7:15 ` Christoph Hellwig
2019-06-17 8:00 ` Alastair D'Silva
2019-06-17 8:00 ` Alastair D'Silva
2019-06-17 13:14 ` 'Christoph Hellwig'
2019-06-17 7:16 ` Michal Hocko
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