ring-buffer: Skip si_mem_available() for persistent and remote buffers

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Persistent and remote buffer memory is pre-allocated by the time
__rb_allocate_pages() is called. Skip si_mem_available() to avoid
wrongly failing the allocation under memory pressure.

For the same reason, unset user_thread.

Link: https://patch.msgid.link/20261013102047.1488347-2-vdonnefort@google.com
Fixes: be68d63a13 ("ring-buffer: Add ring_buffer_alloc_range()")
Fixes: 2e67fabd8b ("ring-buffer: Introduce ring-buffer remotes")
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

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Vincent Donnefort 2026-10-13 11:20:46 +01:00 • committed by Steven Rostedt

parent 2cd88c498e

commit c9fc60c18b

1 changed files with 21 additions and 20 deletions

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kernel/trace/ring_buffer.c

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