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-rw-r--r--lib/Kconfig.debug9
-rw-r--r--lib/cmdline.c2
2 files changed, 10 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ce697e0..aa81d28 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -495,6 +495,15 @@ config DEBUG_VM
If unsure, say N.
+config DEBUG_VIRTUAL
+ bool "Debug VM translations"
+ depends on DEBUG_KERNEL && X86
+ help
+ Enable some costly sanity checks in virtual to page code. This can
+ catch mistakes with virt_to_page() and friends.
+
+ If unsure, say N.
+
config DEBUG_WRITECOUNT
bool "Debug filesystem writers count"
depends on DEBUG_KERNEL
diff --git a/lib/cmdline.c b/lib/cmdline.c
index 5ba8a94..f5f3ad8 100644
--- a/lib/cmdline.c
+++ b/lib/cmdline.c
@@ -126,7 +126,7 @@ char *get_options(const char *str, int nints, int *ints)
* megabyte, or one gigabyte, respectively.
*/
-unsigned long long memparse(char *ptr, char **retptr)
+unsigned long long memparse(const char *ptr, char **retptr)
{
char *endptr; /* local pointer to end of parsed string */
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