Add __GFP_MIRROR flag when allocate a new slab.
Signed-off-by: Xishi Qiu <qiuxi...@huawei.com>
---
mm/slab.c | 3 ++-
mm/slob.c | 2 +-
mm/slub.c | 2 +-
3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/mm/slab.c b/mm/slab.c
index 7eb38dd..3b3ef22 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1594,7 +1594,8 @@ static struct page *kmem_getpages(struct kmem_cache
*cachep, gfp_t flags,
if (memcg_charge_slab(cachep, flags, cachep->gfporder))
return NULL;
- page = alloc_pages_exact_node(nodeid, flags | __GFP_NOTRACK,
cachep->gfporder);
+ page = alloc_pages_exact_node(nodeid, flags | __GFP_NOTRACK |
__GFP_MIRROR,
+ cachep->gfporder);
if (!page) {
memcg_uncharge_slab(cachep, cachep->gfporder);
slab_out_of_memory(cachep, flags, nodeid);
diff --git a/mm/slob.c b/mm/slob.c
index 4765f65..4ff9bde 100644
--- a/mm/slob.c
+++ b/mm/slob.c
@@ -452,7 +452,7 @@ __do_kmalloc_node(size_t size, gfp_t gfp, int node,
unsigned long caller)
if (likely(order))
gfp |= __GFP_COMP;
- ret = slob_new_pages(gfp, order, node);
+ ret = slob_new_pages(gfp | __GFP_MIRROR, order, node);
trace_kmalloc_node(caller, ret,
size, PAGE_SIZE << order, gfp, node);
diff --git a/mm/slub.c b/mm/slub.c
index 54c0876..1219e33 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1315,7 +1315,7 @@ static inline struct page *alloc_slab_page(struct
kmem_cache *s,
struct page *page;
int order = oo_order(oo);
- flags |= __GFP_NOTRACK;
+ flags |= __GFP_NOTRACK | __GFP_MIRROR;
if (memcg_charge_slab(s, flags, order))
return NULL;
--
2.0.0
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