Re: mmotm 2021-07-23-15-03 uploaded (mm/memory_hotplug.c)

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On 24.07.21 20:49, Randy Dunlap wrote:
On 7/23/21 3:04 PM, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
The mm-of-the-moment snapshot 2021-07-23-15-03 has been uploaded to

    https://www.ozlabs.org/~akpm/mmotm/

mmotm-readme.txt says

README for mm-of-the-moment:

https://www.ozlabs.org/~akpm/mmotm/

This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
more than once a week.

You will need quilt to apply these patches to the latest Linus release (5.x
or 5.x-rcY).  The series file is in broken-out.tar.gz and is duplicated in
https://ozlabs.org/~akpm/mmotm/series

The file broken-out.tar.gz contains two datestamp files: .DATE and
.DATE-yyyy-mm-dd-hh-mm-ss.  Both contain the string yyyy-mm-dd-hh-mm-ss,
followed by the base kernel version against which this patch series is to
be applied.


on x86_64:
# CONFIG_CMA is not set

mm-memory_hotplug-memory-group-aware-auto-movable-online-policy.patch



../mm/memory_hotplug.c: In function ‘auto_movable_stats_account_zone’:
../mm/memory_hotplug.c:748:33: error: ‘struct zone’ has no member named ‘cma_pages’; did you mean ‘managed_pages’?
    stats->movable_pages += zone->cma_pages;
                                  ^~~~~~~~~
                                  managed_pages
../mm/memory_hotplug.c:750:38: error: ‘struct zone’ has no member named ‘cma_pages’; did you mean ‘managed_pages’?
    stats->kernel_early_pages -= zone->cma_pages;
                                       ^~~~~~~~~
                                       managed_pages



Thanks Randy, the following on top should make it fly:

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index bfdaa28eb86f..fa1a0afd32ba 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -741,13 +741,15 @@ static void auto_movable_stats_account_zone(struct auto_movable_stats *stats,
        if (zone_idx(zone) == ZONE_MOVABLE) {
                stats->movable_pages += zone->present_pages;
        } else {
+               stats->kernel_early_pages += zone->present_early_pages;
+#ifdef CONFIG_CMA
                /*
                 * CMA pages (never on hotplugged memory) behave like
                 * ZONE_MOVABLE.
                 */
                stats->movable_pages += zone->cma_pages;
-               stats->kernel_early_pages += zone->present_early_pages;
                stats->kernel_early_pages -= zone->cma_pages;
+#endif /* CONFIG_CMA */
        }
 }
 struct auto_movable_group_stats {


--
Thanks,

David / dhildenb






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