diff options
Diffstat (limited to 'mm/Kconfig.debug')
| -rw-r--r-- | mm/Kconfig.debug | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug index c8d62d49a44..bb01e298f26 100644 --- a/mm/Kconfig.debug +++ b/mm/Kconfig.debug @@ -1,3 +1,12 @@ +config DEBUG_PAGEALLOC + bool "Debug page memory allocations" + depends on DEBUG_KERNEL && ARCH_SUPPORTS_DEBUG_PAGEALLOC + depends on !HIBERNATION || !PPC && !SPARC + ---help--- + Unmap pages from the kernel linear mapping after free_pages(). + This results in a large slowdown, but helps to find certain types + of memory corruptions. + config WANT_PAGE_DEBUG_FLAGS bool |