* [PATCH] Documentation: realtime.rst: adopt type aware kmalloc
@ 2026-06-03 9:07 Manuel Ebner
0 siblings, 0 replies; only message in thread
From: Manuel Ebner @ 2026-06-03 9:07 UTC (permalink / raw)
To: Sebastian Andrzej Siewior, Clark Williams, Steven Rostedt,
Kees Cook, Jonathan Corbet, Shuah Khan,
open list:Real-time Linux (PREEMPT_RT), open list:DOCUMENTATION,
open list
Cc: Manuel Ebner
Update real-time/differences.rst to reflect new type-aware kmalloc-functions
as suggested in commit 2932ba8d9c99 ("slab: Introduce kmalloc_obj() and family")
Signed-off-by: Manuel Ebner <manuelebner@mailbox.org>
---
Documentation/core-api/real-time/differences.rst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/core-api/real-time/differences.rst b/Documentation/core-api/real-time/differences.rst
index 83ec9aa1c61a..6c2cc97b4938 100644
--- a/Documentation/core-api/real-time/differences.rst
+++ b/Documentation/core-api/real-time/differences.rst
@@ -128,7 +128,7 @@ PREEMPT_RT, the timer must be marked with the HRTIMER_MODE_HARD flag.
Memory allocation
-----------------
-The memory allocation APIs, such as kmalloc() and alloc_pages(), require a
+The memory allocation APIs, such as kmalloc_obj() and alloc_pages(), require a
gfp_t flag to indicate the allocation context. On non-PREEMPT_RT kernels, it is
necessary to use GFP_ATOMIC when allocating memory from interrupt context or
from sections where preemption is disabled. This is because the allocator must
--
2.54.0
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