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mm/slub: add a dump_stack() to the unexpected GFP check

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We wish to know who is doing such a thing. slab.c does this.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Borislav Petkov <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Borislav Petkov 2017-02-22 15:41:02 -08:00 • committed by Linus Torvalds
commit 65b9de7525
1 changed files with 1 additions and 0 deletions
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mm/slub.c
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@ -1630,6 +1630,7 @@ 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,