DEBUG_PAGEALLOC is broken on m32r - the option had been blindly copied from
i386; kernel_map_pages() had not and that's what is needed for DEBUG_PAGEALLOC
to work (or link, while we are at it).
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
config DEBUG_PAGEALLOC
bool "Page alloc debugging"
- depends on DEBUG_KERNEL
+ depends on DEBUG_KERNEL && BROKEN
help
Unmap pages from the kernel linear mapping after free_pages().
This results in a large slowdown, but helps to find certain types