diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Kconfig.debug | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug index 2409f7fc1567..864f129f1937 100644 --- a/mm/Kconfig.debug +++ b/mm/Kconfig.debug @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only config PAGE_EXTENSION bool "Extend memmap on extra space for more information on page" - ---help--- + help Extend memmap on extra space for more information on page. This could be used for debugging features that need to insert extra field for every page. This extension enables us to save memory @@ -13,7 +13,7 @@ config DEBUG_PAGEALLOC depends on DEBUG_KERNEL depends on !HIBERNATION || ARCH_SUPPORTS_DEBUG_PAGEALLOC && !PPC && !SPARC select PAGE_POISONING if !ARCH_SUPPORTS_DEBUG_PAGEALLOC - ---help--- + help Unmap pages from the kernel linear mapping after free_pages(). Depending on runtime enablement, this results in a small or large slowdown, but helps to find certain types of memory corruption. @@ -41,7 +41,7 @@ config DEBUG_PAGEALLOC config DEBUG_PAGEALLOC_ENABLE_DEFAULT bool "Enable debug page memory allocations by default?" depends on DEBUG_PAGEALLOC - ---help--- + help Enable debug page memory allocations by default? This value can be overridden by debug_pagealloc=off|on. @@ -65,7 +65,7 @@ config PAGE_OWNER config PAGE_POISONING bool "Poison pages after freeing" select PAGE_POISONING_NO_SANITY if HIBERNATION - ---help--- + help Fill the pages with poison patterns after free_pages() and verify the patterns before alloc_pages. The filling of the memory helps reduce the risk of information leaks from freed data. This does @@ -80,7 +80,7 @@ config PAGE_POISONING config PAGE_POISONING_NO_SANITY depends on PAGE_POISONING bool "Only poison, don't sanity check" - ---help--- + help Skip the sanity checking on alloc, only fill the pages with poison on free. This reduces some of the overhead of the poisoning feature. @@ -91,7 +91,7 @@ config PAGE_POISONING_NO_SANITY config PAGE_POISONING_ZERO bool "Use zero for poisoning instead of debugging value" depends on PAGE_POISONING - ---help--- + help Instead of using the existing poison value, fill the pages with zeros. This makes it harder to detect when errors are occurring due to sanitization but the zeroing at free means that it is @@ -104,7 +104,7 @@ config DEBUG_PAGE_REF bool "Enable tracepoint to track down page reference manipulation" depends on DEBUG_KERNEL depends on TRACEPOINTS - ---help--- + help This is a feature to add tracepoint for tracking down page reference manipulation. This tracking is useful to diagnose functional failure due to migration failures caused by page reference mismatches. Be @@ -115,7 +115,7 @@ config DEBUG_PAGE_REF config DEBUG_RODATA_TEST bool "Testcase for the marking rodata read-only" depends on STRICT_KERNEL_RWX - ---help--- + help This option enables a testcase for the setting rodata read-only. config ARCH_HAS_DEBUG_WX |