The patch titled
Subject: mmcompaction-let-isolate_migratepages_rangeblock-return-error-codes-fix
has been added to the -mm tree. Its filename is
mmcompaction-let-isolate_migratepages_rangeblock-return-error-codes-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mmcompaction-let-isolate_migratepages_rangeblock-return-error-codes-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mmcompaction-let-isolate_migratepages_rangeblock-return-error-codes-fix.patch
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------------------------------------------------------
From: Oscar Salvador <osalvador@xxxxxxx>
Subject: mmcompaction-let-isolate_migratepages_rangeblock-return-error-codes-fix
fix missed place wrt. error handling
Link: https://lkml.kernel.org/r/20210323104858.GA7776@linux
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/compaction.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/mm/compaction.c~mmcompaction-let-isolate_migratepages_rangeblock-return-error-codes-fix
+++ a/mm/compaction.c
@@ -809,6 +809,7 @@ isolate_migratepages_block(struct compac
bool skip_on_failure = false;
unsigned long next_skip_pfn = 0;
bool skip_updated = false;
+ int ret = 0;
cc->migrate_pfn = low_pfn;
@@ -877,8 +878,8 @@ isolate_migratepages_block(struct compac
if (fatal_signal_pending(current)) {
cc->contended = true;
+ ret = -EINTR;
- low_pfn = 0;
goto fatal_pending;
}
@@ -1134,7 +1135,7 @@ fatal_pending:
cc->migrate_pfn = low_pfn;
- return 0;
+ return ret;
}
/**
_
Patches currently in -mm which might be from osalvador@xxxxxxx are
x86-vmemmap-drop-handling-of-4k-unaligned-vmemmap-range.patch
x86-vmemmap-drop-handling-of-1gb-vmemmap-ranges.patch
x86-vmemmap-handle-unpopulated-sub-pmd-ranges.patch
x86-vmemmap-optimize-for-consecutive-sections-in-partial-populated-pmds.patch
mmpage_alloc-bail-out-earlier-on-enomem-in-alloc_contig_migrate_range.patch
mmcompaction-let-isolate_migratepages_rangeblock-return-error-codes.patch
mmcompaction-let-isolate_migratepages_rangeblock-return-error-codes-fix.patch
mm-make-alloc_contig_range-handle-free-hugetlb-pages.patch
mm-make-alloc_contig_range-handle-in-use-hugetlb-pages.patch
mmpage_alloc-drop-unnecessary-checks-from-pfn_range_valid_contig.patch
mmmemory_hotplug-allocate-memmap-from-the-added-memory-range.patch
acpimemhotplug-enable-mhp_memmap_on_memory-when-supported.patch
mmmemory_hotplug-add-kernel-boot-option-to-enable-memmap_on_memory.patch
x86-kconfig-introduce-arch_mhp_memmap_on_memory_enable.patch
arm64-kconfig-introduce-arch_mhp_memmap_on_memory_enable.patch
