From: Matthew Wilcox <willy@infradead.org>
To: xf2017140389@gmail.com
Cc: akpm@linux-foundation.org, christian@brauner.io,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
zhangcang@xiaomi.com, wangju@xiaomi.com, surenb@google.com,
fangzhirong@xiaomi.com, xiaofeng <xiaofeng5@xiaomi.com>
Subject: Re: [PATCH] mm/madvise: break reclaim when lock race
Date: Tue, 7 Dec 2021 17:20:52 +0000 [thread overview]
Message-ID: <Ya+X9IEXiCDFPJIZ@casper.infradead.org> (raw)
In-Reply-To: <20211207032202.6022-1-xiaofeng5@xiaomi.com>
On Tue, Dec 07, 2021 at 11:22:02AM +0800, xf2017140389@gmail.com wrote:
> From: xiaofeng <xiaofeng5@xiaomi.com>
>
> When the process_madvise() system call is being used, it takes mmap_lock and blocks the application from allocating memory, leading to unreasonable delays. This patchset aims to fix it.
This means that any page fault will cause madvise() to fail. NACK.
next prev parent reply other threads:[~2021-12-07 17:21 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 3:22 [PATCH] mm/madvise: break reclaim when lock race xf2017140389
2021-12-07 17:04 ` Suren Baghdasaryan
2021-12-07 17:20 ` Matthew Wilcox [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-12-06 14:55 xf2017140389
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