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| author | Rafał Miłecki <rafal@milecki.pl> | 2023-11-07 23:25:52 +0100 |
|---|---|---|
| committer | Rafał Miłecki <rafal@milecki.pl> | 2023-11-09 21:23:01 +0100 |
| commit | 4fb8e68bc40d7f6f898477c5570b317f50b7b069 (patch) | |
| tree | 1abde0222c9f9493ac80a2717c2765e4ecb96687 /config | |
| parent | 3b6320844306786b23176257408f983b1386cc7b (diff) | |
| download | openwrt-4fb8e68bc40d7f6f898477c5570b317f50b7b069.tar.gz openwrt-4fb8e68bc40d7f6f898477c5570b317f50b7b069.tar.bz2 openwrt-4fb8e68bc40d7f6f898477c5570b317f50b7b069.zip | |
kernel: provide better control & help for SLUB configuration
Allow selecting KERNEL_SLUB_DEBUG and KERNEL_SLUB_DEBUG_ON manually and
provide detailed help for both.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Diffstat (limited to 'config')
| -rw-r--r-- | config/Config-kernel.in | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/config/Config-kernel.in b/config/Config-kernel.in index a1209d82f3..4c43190e40 100644 --- a/config/Config-kernel.in +++ b/config/Config-kernel.in @@ -682,10 +682,23 @@ config KERNEL_PRINTK_TIME default y config KERNEL_SLUB_DEBUG - bool + bool "Enable SLUB debugging support" + help + This enables various debugging features: + - Accepts "slub_debug" kernel parameter + - Provides caches debugging options (e.g. tracing, validating) + - Adds /sys/kernel/slab/ attrs for reading amounts of *objects* + - Enables /proc/slabinfo support + - Prints info when running out of memory + + Enabling this can result in a significant increase of code size. config KERNEL_SLUB_DEBUG_ON - bool + depends on KERNEL_SLUB_DEBUG + bool "Boot kernel with basic caches debugging enabled" + help + This enables by default sanity_checks, red_zone, poison and store_user + debugging options for all caches. config KERNEL_SLABINFO select KERNEL_SLUB_DEBUG |