Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed16669298b26266fc0c81bcd4ecc4b4126f77eb
Commit: ed16669298b26266fc0c81bcd4ecc4b4126f77eb
Parent: 543e51c0e1fc9480ffb94b6b3536da0f1bfb21d4
Author: Michael Ellerman <[EMAIL PROTECTED]>
AuthorDate: Wed Apr 18 11:50:09 2007 +1000
Committer: Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Wed May 2 20:04:29 2007 +1000
[POWERPC] Initialise spinlock in the DEBUG_PAGEALLOC code
Fixes:
BUG: spinlock bad magic on CPU#0, swapper/0
lock: c00000000064ec30, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
Call Trace:
[c00000000062b980] [c00000000000f920] .show_stack+0x6c/0x1a0 (unreliable)
[c00000000062ba20] [c0000000001c2b40] .spin_bug+0xb0/0xd4
[c00000000062bab0] [c0000000001c2ed0] ._raw_spin_lock+0x44/0x184
[c00000000062bb50] [c0000000003a42b4] ._spin_lock+0x10/0x24
[c00000000062bbd0] [c00000000002b4dc] .kernel_map_pages+0x198/0x278
[c00000000062bc90] [c000000000079720] .free_hot_cold_page+0x124/0x418
[c00000000062bd70] [c000000000530278] .free_all_bootmem_core+0x14c/0x224
[c00000000062be50] [c00000000052a178] .mem_init+0x68/0x170
[c00000000062bee0] [c00000000051d874] .start_kernel+0x2a0/0x37c
[c00000000062bf90] [c0000000000084c8] .start_here_common+0x54/0x8c
Signed-off-by: Michael Ellerman <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
arch/powerpc/mm/hash_utils_64.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 4961846..9b226fa 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -103,7 +103,7 @@ int mmu_ci_restrictions;
#ifdef CONFIG_DEBUG_PAGEALLOC
static u8 *linear_map_hash_slots;
static unsigned long linear_map_hash_count;
-static spinlock_t linear_map_hash_lock;
+static DEFINE_SPINLOCK(linear_map_hash_lock);
#endif /* CONFIG_DEBUG_PAGEALLOC */
/* There are definitions of page sizes arrays to be used when none
-
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