linux-6.12.1/mm/Kconfig.debug

1 # SPDX-License-Identifier: GPL-2.0-only
24 	  use-after-free). The error reports for these checks can be augmented
26 	  PAGE_OWNER is also selected and enabled on boot.
31 	  be enabled in combination with hibernation as that would result in
38 	  enabled by DEBUG_PAGEALLOC_ENABLE_DEFAULT or the debug_pagealloc
56 	  will still exist (with SYSFS enabled), it will not provide e.g. cache
65 	  Boot with debugging on by default. SLUB boots by default with
67 	  equivalent to specifying the "slab_debug" parameter on boot.
71 	  "slab_debug=-".
86 	  detect use-after-free accesses in such caches.
116 	  "page_owner=on" to boot parameter in order to enable it. Eats
117 	  a fair amount of memory if enabled. See tools/mm/page_owner_sort.c
118 	  for user-space helper.
141 	  is disabled, and can be optionally enabled via page_table_check=on
143 	  enabled.
153 	  have a potential performance impact if enabled with the
154 	  "page_poison=1" kernel boot option.
160 	  checking the poison pattern on alloc, you can boot the kernel with
175 	  nil until the tracepoints are actually enabled.
178     bool "Testcase for the marking rodata read-only"
181       This option enables a testcase for the setting rodata read-only.
187 	bool "Warn on W+X mappings at boot"
192 	  Generate a warning if any W+X mappings are found at boot.
211 	  once the kernel has booted up - it's a one time check.
255 	  allocations. See Documentation/dev-tools/kmemleak.rst for more
281 	  Say Y here to disable kmemleak by default. It can then be enabled
285 	bool "Enable kmemleak auto scan thread on boot up"
291 	  kmemleak scan at boot up.
300 	bool "Statistics for per-vma locks"
304 	  faults handled under protection of per-vma locks. When enabled, the
306 	  kernel developers to evaluate effectiveness of per-vma locks and to