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arch/sh/kernel/dwarf.c: destroy mempools on cleanup

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dwarf_reg_pool and dwarf_frame_pool are not properly destroyed when
cleaning up the dwarf unwinder.  Destroy them with mempool_destroy().

Also mark dwarf_unwinder_cleanup() as __init.

Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Rientjes 2015-04-14 15:42:37 -07:00 committed by Linus Torvalds
parent 5017335d6d
commit 7b4b425897
1 changed files with 5 additions and 1 deletions
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6
arch/sh/kernel/dwarf.c
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@ -993,7 +993,7 @@ static struct unwinder dwarf_unwinder = {
.rating = 150,
};
static void dwarf_unwinder_cleanup(void)
static void __init dwarf_unwinder_cleanup(void)
{
struct dwarf_fde *fde, *next_fde;
struct dwarf_cie *cie, *next_cie;
@ -1009,6 +1009,10 @@ static void dwarf_unwinder_cleanup(void)
rbtree_postorder_for_each_entry_safe(cie, next_cie, &cie_root, node)
kfree(cie);
if (dwarf_reg_pool)
mempool_destroy(dwarf_reg_pool);
if (dwarf_frame_pool)
mempool_destroy(dwarf_frame_pool);
kmem_cache_destroy(dwarf_reg_cachep);
kmem_cache_destroy(dwarf_frame_cachep);
}