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Re: [PATCH] mm: move page_ext_init after all struct pages are initialized

From Andrew Morton <akpm@linux-foundation.org>
Newsgroups linux.kernel
Subject Re: [PATCH] mm: move page_ext_init after all struct pages are initialized
Date 2016-05-20 00:40 +0200
Message-ID <rAELL-5Nf-3@gated-at.bofh.it> (permalink)
References <rAE93-5ko-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, 19 May 2016 14:29:05 -0700 Yang Shi <yang.shi@linaro.org> wrote:

> When DEFERRED_STRUCT_PAGE_INIT is enabled, just a subset of memmap at boot
> are initialized, then the rest are initialized in parallel by starting one-off
> "pgdatinitX" kernel thread for each node X.
> 
> If page_ext_init is called before it, some pages will not have valid extension,
> so move page_ext_init() after it.
> 

<stdreply>When fixing a bug, please fully describe the end-user impact
of that bug</>

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[PATCH] mm: move page_ext_init after all struct pages are initialized Yang Shi <yang.shi@linaro.org> - 2016-05-20 00:00 +0200
  Re: [PATCH] mm: move page_ext_init after all struct pages are  initialized Andrew Morton <akpm@linux-foundation.org> - 2016-05-20 00:40 +0200
    Re: [PATCH] mm: move page_ext_init after all struct pages are  initialized "Shi, Yang" <yang.shi@linaro.org> - 2016-05-20 00:40 +0200
      Re: [PATCH] mm: move page_ext_init after all struct pages are  initialized Andrew Morton <akpm@linux-foundation.org> - 2016-05-20 01:30 +0200
        Re: [PATCH] mm: move page_ext_init after all struct pages are  initialized "Shi, Yang" <yang.shi@linaro.org> - 2016-05-20 01:30 +0200

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