> Please try the following on top of 5.2-rc3
>
> diff --git a/mm/compaction.c b/mm/compaction.c
> index 9e1b9acb116b..69f4ddfddfa4 100644
> --- a/mm/compaction.c
> +++ b/mm/compaction.c
> @@ -277,8 +277,7 @@ __reset_isolation_pfn(struct zone *zone, unsigned long pf
> n,
> bool check_source,
> }
>
> /* Ensure the end of the pageblock or zone is online and valid */
> - block_pfn += pageblock_nr_pages;
> - block_pfn = min(block_pfn, zone_end_pfn(zone) - 1);
> + block_pfn = min(pageblock_end_pfn(block_pfn), zone_end_pfn(zone) - 1)
> ;
> end_page = pfn_to_online_page(block_pfn);
> if (!end_page)
> return false;
> @@ -289,7 +288,7 @@ __reset_isolation_pfn(struct zone *zone, unsigned long pf
> n,
> bool check_source,
> * is necessary for the block to be a migration source/target.
> */
> do {
> - if (pfn_valid_within(pfn)) {
> + if (pfn_valid(pfn)) {
> if (check_source && PageLRU(page)) {
> clear_pageblock_skip(page);
> return true;
>
no joy; I left the FF build running and found the machine frozen this
morning; however, firefox build could apparently complete successfully;
I can't say when exactly the problem happened, as I haven't found any
message in the logs
thanks
ciao
-g
