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Subject[PATCH] mm/slub: Add a dump_stack() to the unexpected GFP check
Date
From: Borislav Petkov <bp@suse.de>

We wanna know who's doing such a thing. Like slab.c does that.

Signed-off-by: Borislav Petkov <bp@suse.de>
---
mm/slub.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/mm/slub.c b/mm/slub.c
index 067598a00849..1b0fa7625d6d 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1623,6 +1623,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node)
flags &= ~GFP_SLAB_BUG_MASK;
pr_warn("Unexpected gfp: %#x (%pGg). Fixing up to gfp: %#x (%pGg). Fix your code!\n",
invalid_mask, &invalid_mask, flags, &flags);
+ dump_stack();
}

return allocate_slab(s,
--
2.11.0
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