Messages in this thread | | | Subject | Re: [PATCH] mm/memory_hotplug: quieting offline operation | From | Laurent Dufour <> | Date | Mon, 14 Dec 2020 10:30:15 +0100 |
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Le 12/12/2020 à 16:04, Souptick Joarder a écrit : > On Fri, Dec 11, 2020 at 8:32 PM Laurent Dufour <ldufour@linux.ibm.com> wrote: >> >> On PowerPC, when dymically removing memory from a system we can see in the console a >> lot of messages like this: >> [ 186.575389] Offlined Pages 4096 > > Is it specific to PowerPC ?
No, this applies to all architectures, but this is surfacing a bit more on PowerPC where the memory block size is set to 256MB currently by the firmware.
> >> >> This message is displayed on each LMB (256MB) removed, which means that we >> removing 1TB of memory, this message is displayed 4096 times. >> >> Moving it to DEBUG to not flood the console. >> >> Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com> >> --- >> mm/memory_hotplug.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c >> index b44d4c7ba73b..c47a53a16782 100644 >> --- a/mm/memory_hotplug.c >> +++ b/mm/memory_hotplug.c >> @@ -1587,7 +1587,7 @@ int __ref offline_pages(unsigned long start_pfn, unsigned long nr_pages) >> >> /* Mark all sections offline and remove free pages from the buddy. */ >> __offline_isolated_pages(start_pfn, end_pfn); >> - pr_info("Offlined Pages %ld\n", nr_pages); >> + pr_debug("Offlined Pages %ld\n", nr_pages); >> >> /* >> * The memory sections are marked offline, and the pageblock flags >> -- >> 2.29.2 >> >>
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