Subject: + arch-sh-kernel-dwarfc-use-rbtree-postorder-iteration-helper-instead-of-solution-using-repeated-rb_erase.patch added to -mm tree
To: cody@xxxxxxxxxxxxxxxxxx,jack@xxxxxxx,lethal@xxxxxxxxxxxx,walken@xxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 07 Nov 2013 14:16:58 -0800
The patch titled
Subject: arch/sh/kernel/dwarf.c: use rbtree postorder iteration helper instead of solution using repeated rb_erase()
has been added to the -mm tree. Its filename is
arch-sh-kernel-dwarfc-use-rbtree-postorder-iteration-helper-instead-of-solution-using-repeated-rb_erase.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/arch-sh-kernel-dwarfc-use-rbtree-postorder-iteration-helper-instead-of-solution-using-repeated-rb_erase.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/arch-sh-kernel-dwarfc-use-rbtree-postorder-iteration-helper-instead-of-solution-using-repeated-rb_erase.patch
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------------------------------------------------------
From: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
Subject: arch/sh/kernel/dwarf.c: use rbtree postorder iteration helper instead of solution using repeated rb_erase()
Use rbtree_postorder_for_each_entry_safe() to destroy the rbtree instead
of using repeated rb_erase() calls
Signed-off-by: Cody P Schafer <cody@xxxxxxxxxxxxxxxxxx>
Cc: Michel Lespinasse <walken@xxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/sh/kernel/dwarf.c | 18 ++++--------------
1 file changed, 4 insertions(+), 14 deletions(-)
diff -puN arch/sh/kernel/dwarf.c~arch-sh-kernel-dwarfc-use-rbtree-postorder-iteration-helper-instead-of-solution-using-repeated-rb_erase arch/sh/kernel/dwarf.c
--- a/arch/sh/kernel/dwarf.c~arch-sh-kernel-dwarfc-use-rbtree-postorder-iteration-helper-instead-of-solution-using-repeated-rb_erase
+++ a/arch/sh/kernel/dwarf.c
@@ -995,29 +995,19 @@ static struct unwinder dwarf_unwinder =
static void dwarf_unwinder_cleanup(void)
{
- struct rb_node **fde_rb_node = &fde_root.rb_node;
- struct rb_node **cie_rb_node = &cie_root.rb_node;
+ struct dwarf_fde *fde, *next_fde;
+ struct dwarf_cie *cie, *next_cie;
/*
* Deallocate all the memory allocated for the DWARF unwinder.
* Traverse all the FDE/CIE lists and remove and free all the
* memory associated with those data structures.
*/
- while (*fde_rb_node) {
- struct dwarf_fde *fde;
-
- fde = rb_entry(*fde_rb_node, struct dwarf_fde, node);
- rb_erase(*fde_rb_node, &fde_root);
+ rbtree_postorder_for_each_entry_safe(fde, next_fde, &fde_root, node)
kfree(fde);
- }
-
- while (*cie_rb_node) {
- struct dwarf_cie *cie;
- cie = rb_entry(*cie_rb_node, struct dwarf_cie, node);
- rb_erase(*cie_rb_node, &cie_root);
+ rbtree_postorder_for_each_entry_safe(cie, next_cie, &cie_root, node)
kfree(cie);
- }
kmem_cache_destroy(dwarf_reg_cachep);
kmem_cache_destroy(dwarf_frame_cachep);
_
Patches currently in -mm which might be from cody@xxxxxxxxxxxxxxxxxx are
bitops-find-clarify-and-extend-documentation.patch
linux-next.patch
rbtree-fix-rbtree_postorder_for_each_entry_safe-iterator.patch
rbtree-test-move-rb_node-to-the-middle-of-the-test-struct.patch
rbtree-test-test-rbtree_postorder_for_each_entry_safe.patch
net-netfilter-ipset-ip_set_hash_netifacec-use-rbtree-postorder-iteration-instead-of-opencoding.patch
fs-ubifs-use-rbtree-postorder-iteration-helper-instead-of-opencoding.patch
fs-ext4-use-rbtree-postorder-iteration-helper-instead-of-opencoding.patch
fs-jffs2-use-rbtree-postorder-iteration-helper-instead-of-opencoding.patch
fs-ext3-use-rbtree-postorder-iteration-helper-instead-of-opencoding.patch
drivers-mtd-ubi-use-rbtree-postorder-iteration-helper-instead-of-opencoding.patch
arch-sh-kernel-dwarfc-use-rbtree-postorder-iteration-helper-instead-of-solution-using-repeated-rb_erase.patch
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