From a3a27827452fdc64fb39698909df9a75021c018d Mon Sep 17 00:00:00 2001 From: Vlastimil Babka Date: Thu, 14 Dec 2023 13:22:52 +0100 Subject: [PATCH] Documentation, mm/unaccepted: document accept_memory kernel parameter The accept_memory kernel parameter was added in commit dcdfdd40fa82 ("mm: Add support for unaccepted memory") but not listed in the kernel-parameters doc. Add it there. Acked-by: "Kirill A. Shutemov" Signed-off-by: Vlastimil Babka Signed-off-by: Jonathan Corbet Link: https://lore.kernel.org/r/20231214-accept_memory_param-v2-1-f38cd20a0247@suse.cz --- Documentation/admin-guide/kernel-parameters.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 65731b060e3fe..91bd74b2e203b 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1,3 +1,14 @@ + accept_memory= [MM] + Format: { eager | lazy } + default: lazy + By default, unaccepted memory is accepted lazily to + avoid prolonged boot times. The lazy option will add + some runtime overhead until all memory is eventually + accepted. In most cases the overhead is negligible. + For some workloads or for debugging purposes + accept_memory=eager can be used to accept all memory + at once during boot. + acpi= [HW,ACPI,X86,ARM64,RISCV64] Advanced Configuration and Power Interface Format: { force | on | off | strict | noirq | rsdt | -- 2.30.2