Lines Matching +full:use +full:- +full:guard +full:- +full:pages

1 # SPDX-License-Identifier: GPL-2.0-only
7 	bool "KFENCE: low-overhead sampling-based memory safety error detector"
12 	  KFENCE is a low-overhead sampling-based detector of heap out-of-bounds
13 	  access, use-after-free, and invalid-free errors. KFENCE is designed
17 	  See <file:Documentation/dev-tools/kfence.rst> for more details.
22 	  afford to use KASAN, continue using KASAN, for example in test
23 	  environments. If your kernel targets production use, and cannot
37 	  setting "kfence.sample_interval" to a non-zero value enables KFENCE.
45 	  pages are required; with one containing the object and two adjacent
46 	  ones used as guard pages.
49 	bool "Use a deferrable timer to trigger allocations"
51 	  Use a deferrable timer to trigger allocations. This avoids forcing
52 	  CPU wake-ups if the system is idle, at the risk of a less predictable
55 	  Warning: The KUnit test suite fails with this option enabled - due to
61 	bool "Use static keys to set up allocations" if EXPERT
64 	  Use static keys (static branches) to set up KFENCE allocations. This
68 	  Using static keys comes with trade-offs that need to be carefully
80 	  pages, resulting in spurious use-after-frees. The main purpose of