Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d690b2afd5a7a02816386aa704c8c0b1aca8d2de
Commit: d690b2afd5a7a02816386aa704c8c0b1aca8d2de
Parent: 793b24a2dd0d695c748efba7b2295e7f9fdd3139
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:33:47 2008 +0100
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:33:47 2008 +0100
x86: add early_ioremap() leak detection
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
arch/x86/mm/ioremap_32.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/arch/x86/mm/ioremap_32.c b/arch/x86/mm/ioremap_32.c
index 7f7daf5..b743de8 100644
--- a/arch/x86/mm/ioremap_32.c
+++ b/arch/x86/mm/ioremap_32.c
@@ -311,6 +311,22 @@ static inline void __init early_clear_fixmap(enum
fixed_addresses idx)
int __initdata early_ioremap_nested;
+static int __init check_early_ioremap_leak(void)
+{
+ if (!early_ioremap_nested)
+ return 0;
+
+ printk(KERN_WARNING
+ "Debug warning: early ioremap leak of %d areas detected.\n",
+ early_ioremap_nested);
+ printk(KERN_WARNING
+ "please boot with early_ioremap_debug and report the dmesg.\n");
+ WARN_ON(1);
+
+ return 1;
+}
+late_initcall(check_early_ioremap_leak);
+
void __init *early_ioremap(unsigned long phys_addr, unsigned long size)
{
unsigned long offset, last_addr;
-
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