git/linux-cryptodev-2.6
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git synced 2026-04-18 03:23:53 -04:00
Code Issues Packages Projects Releases Wiki Activity

stackdepot: make max number of pools boot-time configurable

Browse Source 
We're hitting the WARN in depot_init_pool() about reaching the stack depot
limit because we have long stacks that don't dedup very well.

Introduce a new start-up parameter to allow users to set the number of
maximum stack depot pools.

Link: https://lkml.kernel.org/r/20250718153928.94229-1-matt@readmodwrite.com
Signed-off-by: Matt Fleming <mfleming@cloudflare.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Marco Elver <elver@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matt Fleming
2025-07-18 16:39:28 +01:00
committed by Andrew Morton
parent 6c6d8f8ba7
commit ed4f142f72
2 changed files with 63 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
Documentation/admin-guide/kernel-parameters.txt
View File

@@ -7029,6 +7029,11 @@
consumed by the stack hash table. By default this is set
to false.
stack_depot_max_pools= [KNL,EARLY]
Specify the maximum number of pools to use for storing
stack traces. Pools are allocated on-demand up to this
limit. Default value is 8191 pools.
stacktrace [FTRACE]
Enabled the stack tracer on boot up.