The patch titled
Subject: mm/memory-failure: remove a wrapper for alloc_migration_target()
has been added to the -mm tree. Its filename is
mm-memory-failure-remove-a-wrapper-for-alloc_migration_target.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-memory-failure-remove-a-wrapper-for-alloc_migration_target.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-memory-failure-remove-a-wrapper-for-alloc_migration_target.patch
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The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Subject: mm/memory-failure: remove a wrapper for alloc_migration_target()
There is a well-defined standard migration target callback. Use it
directly.
Link: http://lkml.kernel.org/r/1594622517-20681-9-git-send-email-iamjoonsoo.kim@xxxxxxx
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Cc: Roman Gushchin <guro@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory-failure.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)
--- a/mm/memory-failure.c~mm-memory-failure-remove-a-wrapper-for-alloc_migration_target
+++ a/mm/memory-failure.c
@@ -1677,16 +1677,6 @@ int unpoison_memory(unsigned long pfn)
}
EXPORT_SYMBOL(unpoison_memory);
-static struct page *new_page(struct page *p, unsigned long private)
-{
- struct migration_target_control mtc = {
- .nid = page_to_nid(p),
- .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
- };
-
- return alloc_migration_target(p, (unsigned long)&mtc);
-}
-
/*
* Safely get reference count of an arbitrary page.
* Returns 0 for a free page, -EIO for a zero refcount page
@@ -1793,6 +1783,10 @@ static int __soft_offline_page(struct pa
const char *msg_page[] = {"page", "hugepage"};
bool huge = PageHuge(page);
LIST_HEAD(pagelist);
+ struct migration_target_control mtc = {
+ .nid = NUMA_NO_NODE,
+ .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL,
+ };
/*
* Check PageHWPoison again inside page lock because PageHWPoison
@@ -1829,8 +1823,8 @@ static int __soft_offline_page(struct pa
}
if (isolate_page(hpage, &pagelist)) {
- ret = migrate_pages(&pagelist, new_page, NULL, MPOL_MF_MOVE_ALL,
- MIGRATE_SYNC, MR_MEMORY_FAILURE);
+ ret = migrate_pages(&pagelist, alloc_migration_target, NULL,
+ (unsigned long)&mtc, MIGRATE_SYNC, MR_MEMORY_FAILURE);
if (!ret) {
bool release = !huge;
_
Patches currently in -mm which might be from iamjoonsoo.kim@xxxxxxx are
mm-page_isolation-prefer-the-node-of-the-source-page.patch
mm-migrate-move-migration-helper-from-h-to-c.patch
mm-hugetlb-unify-migration-callbacks.patch
mm-migrate-clear-__gfp_reclaim-to-make-the-migration-callback-consistent-with-regular-thp-allocations.patch
mm-migrate-make-a-standard-migration-target-allocation-function.patch
mm-mempolicy-use-a-standard-migration-target-allocation-callback.patch
mm-page_alloc-remove-a-wrapper-for-alloc_migration_target.patch
mm-memory-failure-remove-a-wrapper-for-alloc_migration_target.patch
mm-memory_hotplug-remove-a-wrapper-for-alloc_migration_target.patch
