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[PATCH] mutex subsystem, more debugging code

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more mutex debugging: check for held locks during memory freeing,
task exit, enable sysrq printouts, etc.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
This commit is contained in:
Ingo Molnar 2006-01-09 15:59:21 -08:00 • committed by Ingo Molnar
parent 408894ee4d
commit de5097c2e7
7 changed files with 37 additions and 0 deletions
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4
include/linux/mm.h
View file

@ -13,6 +13,7 @@
#include <linux/rbtree.h>
#include <linux/prio_tree.h>
#include <linux/fs.h>
#include <linux/mutex.h>
struct mempolicy;
struct anon_vma;
@ -1024,6 +1025,9 @@ static inline void vm_stat_account(struct mm_struct *mm,
static inline void
kernel_map_pages(struct page *page, int numpages, int enable)
{
if (!PageHighMem(page) && !enable)
mutex_debug_check_no_locks_freed(page_address(page),
page_address(page + numpages));
}
#endif