From: Sourabh Jain Date: Wed, 8 Oct 2025 03:29:34 +0000 (+0530) Subject: powerpc/fadump: skip parameter area allocation when fadump is disabled X-Git-Tag: v6.18-rc2~14^2 X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=0843ba458439f38efdc14aa359c14ad0127edb01;p=linux%2F.git powerpc/fadump: skip parameter area allocation when fadump is disabled Fadump allocates memory to pass additional kernel command-line argument to the fadump kernel. However, this allocation is not needed when fadump is disabled. So avoid allocating memory for the additional parameter area in such cases. Fixes: f4892c68ecc1 ("powerpc/fadump: allocate memory for additional parameters early") Reviewed-by: Hari Bathini Signed-off-by: Sourabh Jain Fixes: f4892c68ecc1 ("powerpc/fadump: allocate memory for additional parameters early") Signed-off-by: Madhavan Srinivasan Link: https://patch.msgid.link/20251008032934.262683-1-sourabhjain@linux.ibm.com --- diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 5782e743fd27..4ebc333dd786 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -1747,6 +1747,9 @@ void __init fadump_setup_param_area(void) { phys_addr_t range_start, range_end; + if (!fw_dump.fadump_enabled) + return; + if (!fw_dump.param_area_supported || fw_dump.dump_active) return;