[PATCH] mm: append __GFP_COMP flag for trace_malloc

From: Xiongwei Song
Date: Mon Apr 26 2021 - 22:43:46 EST


From: Xiongwei Song <sxwjean@xxxxxxxxx>

When calling kmalloc_order, the flags should include __GFP_COMP here,
so that trace_malloc can trace the precise flags.

Signed-off-by: Xiongwei Song <sxwjean@xxxxxxxxx>
---
mm/slab_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 585a6f9..c23e1e8 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -928,7 +928,7 @@ EXPORT_SYMBOL(kmalloc_order);
void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
{
void *ret = kmalloc_order(size, flags, order);
- trace_kmalloc(_RET_IP_, ret, size, PAGE_SIZE << order, flags);
+ trace_kmalloc(_RET_IP_, ret, size, PAGE_SIZE << order, flags | __GFP_COMP);
return ret;
}
EXPORT_SYMBOL(kmalloc_order_trace);
--
2.7.4