alloc_contig_range() initiates compaction and eventual migration for
the purpose of either CMA or HugeTLB allocation. At present, reason
code remains the same MR_CMA for either of these cases. Lets make it
MR_CONTIG_RANGE which will appropriately reflect reason code in both
these cases.
Signed-off-by: Anshuman Khandual <khandual@xxxxxxxxxxxxxxxxxx>
---
arch/powerpc/mm/mmu_context_iommu.c | 2 +-
include/linux/migrate.h | 2 +-
include/trace/events/migrate.h | 2 +-
mm/page_alloc.c | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/mm/mmu_context_iommu.c b/arch/powerpc/mm/mmu_context_iommu.c
index 91ee2231c527..4c615fcb0cf0 100644
--- a/arch/powerpc/mm/mmu_context_iommu.c
+++ b/arch/powerpc/mm/mmu_context_iommu.c
@@ -111,7 +111,7 @@ static int mm_iommu_move_page_from_cma(struct page *page)
put_page(page); /* Drop the gup reference */
ret = migrate_pages(&cma_migrate_pages, new_iommu_non_cma_page,
- NULL, 0, MIGRATE_SYNC, MR_CMA);
+ NULL, 0, MIGRATE_SYNC, MR_CONTIG_RANGE);
if (ret) {
if (!list_empty(&cma_migrate_pages))
putback_movable_pages(&cma_migrate_pages);
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index a732598fcf83..7e7e2606bb4c 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -25,7 +25,7 @@ enum migrate_reason {
MR_SYSCALL, /* also applies to cpusets */
MR_MEMPOLICY_MBIND,
MR_NUMA_MISPLACED,
- MR_CMA,
+ MR_CONTIG_RANGE,
MR_TYPES
};
diff --git a/include/trace/events/migrate.h b/include/trace/events/migrate.h
index bcf4daccd6be..711372845945 100644
--- a/include/trace/events/migrate.h
+++ b/include/trace/events/migrate.h
@@ -20,7 +20,7 @@
EM( MR_SYSCALL, "syscall_or_cpuset") \
EM( MR_MEMPOLICY_MBIND, "mempolicy_mbind") \
EM( MR_NUMA_MISPLACED, "numa_misplaced") \
- EMe(MR_CMA, "cma")
+ EMe(MR_CONTIG_RANGE, "contig_range")
/*
* First define the enums in the above macros to be exported to userspace
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 242565855d05..b9a22e16b4cf 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -7622,7 +7622,7 @@ static int __alloc_contig_migrate_range(struct compact_control *cc,
cc->nr_migratepages -= nr_reclaimed;
ret = migrate_pages(&cc->migratepages, new_page_alloc_contig,
- NULL, 0, cc->mode, MR_CMA);
+ NULL, 0, cc->mode, MR_CONTIG_RANGE);
}
if (ret < 0) {
putback_movable_pages(&cc->migratepages);
--
2.11.0
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