From: Pavel Tatashin <pasha.tatashin@soleen.com>
To: Arun KS <arunks@codeaurora.org>
Cc: keescook@chromium.org, khlebnikov@yandex-team.ru,
minchan@kernel.org, getarunks@gmail.com,
gregkh@linuxfoundation.org, akpm@linux-foundation.org,
mhocko@kernel.org, vbabka@suse.cz, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, vatsa@codeaurora.org, willy@infradead.org
Subject: Re: [PATCH v5 1/4] mm: reference totalram_pages and managed_pages once per function
Date: Wed, 14 Nov 2018 19:20:30 +0000 [thread overview]
Message-ID: <20181114192030.2iz3vrlppob73uio@soleen.tm1wkky2jk1uhgkn0ivaxijq1c.bx.internal.cloudapp.net> (raw)
In-Reply-To: <1542090790-21750-2-git-send-email-arunks@codeaurora.org>
On 18-11-13 12:03:07, Arun KS wrote:
> This patch is in preparation to a later patch which converts totalram_pages
> and zone->managed_pages to atomic variables. Please note that re-reading
> the value might lead to a different value and as such it could lead to
> unexpected behavior. There are no known bugs as a result of the current code
> but it is better to prevent from them in principle.
>
> Signed-off-by: Arun KS <arunks@codeaurora.org>
> Reviewed-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
> Acked-by: Michal Hocko <mhocko@suse.com>
> Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com>
next prev parent reply other threads:[~2018-11-14 19:20 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-13 6:33 [PATCH v5 0/4] mm: convert totalram_pages, totalhigh_pages and managed pages to atomic Arun KS
2018-11-13 6:33 ` [PATCH v5 1/4] mm: reference totalram_pages and managed_pages once per function Arun KS
2018-11-13 14:52 ` David Hildenbrand
2018-11-14 19:20 ` Pavel Tatashin [this message]
2018-11-13 6:33 ` [PATCH v5 2/4] mm: convert zone->managed_pages to atomic variable Arun KS
2018-11-13 14:55 ` David Hildenbrand
2018-11-14 19:21 ` Pavel Tatashin
2018-11-13 6:33 ` [PATCH v5 3/4] mm: convert totalram_pages and totalhigh_pages variables to atomic Arun KS
2018-11-14 19:23 ` Pavel Tatashin
2018-11-13 6:33 ` [PATCH v5 4/4] mm: Remove managed_page_count spinlock Arun KS
2018-11-14 19:23 ` Pavel Tatashin
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