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Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... find a non-overlapping range to put the new memory. > (I ... during initialize mem_map, align hot-added range to section */ > 117 start_sec ... nr_pages, &onlined_pages, > 228 online_pages_range); > == > > One of my concern is how-to ...

linux-kernel - Jeremy Fitzhardinge - Mar 27 2008 - 22:51

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... = res->end - res->start + 1; >>>> + >>>> + /* Adding non-section-aligned memory will give unexpected ... kernel. So, E820, EFI, >> or _CRS of ACPI may return not aligned address ... "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel. ...

linux-kernel - Jeremy Fitzhardinge - Mar 27 2008 - 22:13

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... res->end - res->start + 1; > > > + > > > + /* Adding non-section-aligned memory will give unexpected ... kernel. So, E820, EFI, > or _CRS of ACPI may return not aligned address ... "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel. ...

linux-kernel - KAMEZAWA Hiroyuki - Mar 27 2008 - 21:54

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... . So, E820, EFI, > >> or _CRS of ACPI may return not aligned ... /* during initialize mem_map, align hot-added range to section */ 117 start_sec ... nr_pages, &onlined_pages, 228 online_pages_range); == One of my concern is how-to- ...

linux-kernel - KAMEZAWA Hiroyuki - Mar 27 2008 - 22:33

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... -300,6 +300,11 @@ > int ret; > u64 start = res->start; > u64 size = res->end - res->start + 1; > + > + /* Adding non-section-aligned memory will give unexpected > ... "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel. ...

linux-kernel - KAMEZAWA Hiroyuki - Mar 27 2008 - 21:27

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... = res->end - res->start + 1; > > + > > + /* Adding non-section-aligned memory will give unexpected > ... kernel. So, E820, EFI, or _CRS of ACPI may return not aligned address and ... "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel. ...

linux-kernel - Yasunori Goto - Mar 27 2008 - 21:34

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... page structures, but there's no memory backing that > range. > yes, I see ... - call notifier - update information , total_pages etc... - re-configure zonelist if necessary... But online_page ... linux-kernel" in the body of a message to majordomo@vger. ...

linux-kernel - KAMEZAWA Hiroyuki - Mar 27 2008 - 23:17

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... page structures, but there's no memory backing that >> range. >> >> > yes, I ... notifier > - update information , total_pages etc... > - re-configure zonelist if necessary... > > But ... linux-kernel" in the body of a message to majordomo@vger. ...

linux-kernel - Jeremy Fitzhardinge - Mar 28 2008 - 00:20

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... wrote: > > How about capturing online_page() by balloon ? > > > > You're saying that using online_page() on each page on its own ... : send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info ...

linux-kernel - KAMEZAWA Hiroyuki - Mar 28 2008 - 00:39

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... . Thanks. -- Yasunori Goto -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the ...

linux-kernel - Yasunori Goto - Mar 27 2008 - 23:21

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... I've implemented. Thanks, J -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the ...

linux-kernel - Jeremy Fitzhardinge - Mar 28 2008 - 00:07

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... is probably too expensive to call thousands of times (one for each page, ... for actually onlining pages. The function of online_pages() would remain unchanged for existing ... "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel. ...

linux-kernel - Jeremy Fitzhardinge - Mar 28 2008 - 14:19

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... the only in-tree user of the notifier is mm/slub. ... nr_pages, and not the number of pages actually onlined (onlined_pages). Also ... meaningful if a discontiguous set of pages can be actually onlined ... linux-kernel" in the body of a message to majordomo@vger ...

linux-kernel - Jeremy Fitzhardinge - Mar 28 2008 - 17:30

Re: [PATCH 2 of 4] hotplug-memory: adding non-section-aligned memory is bad

... probably too expensive to call thousands of times (one for each page, ... . I don't think *any* of this code actually touches the ... themselves. The issue that you're probably seeing is because they ... linux-kernel" in the body of a message to majordomo@vger. ...

linux-kernel - Dave Hansen - Mar 28 2008 - 14:27

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