From ec9662fe61c89d5819651672f5c14910cdd31dbd Mon Sep 17 00:00:00 2001 From: Konstantin Belousov Date: Sat, 24 Aug 2019 15:28:40 +0000 Subject: [PATCH] Do not constrain allocations for doublefault, boot, and mce stacks. All these stacks are used only once (doublefault, boot) or very rare (mce). Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D21320 --- sys/amd64/amd64/mp_machdep.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/sys/amd64/amd64/mp_machdep.c b/sys/amd64/amd64/mp_machdep.c index 5e7e5773d13a..0f16198bd2bb 100644 --- a/sys/amd64/amd64/mp_machdep.c +++ b/sys/amd64/amd64/mp_machdep.c @@ -475,13 +475,11 @@ native_start_all_aps(void) domain = acpi_pxm_get_cpu_locality(apic_id); #endif /* allocate and set up an idle stack data page */ - bootstacks[cpu] = (void *)kmem_malloc_domainset( - DOMAINSET_FIXED(domain), kstack_pages * PAGE_SIZE, + bootstacks[cpu] = (void *)kmem_malloc(kstack_pages * PAGE_SIZE, M_WAITOK | M_ZERO); - doublefault_stack = (char *)kmem_malloc_domainset( - DOMAINSET_FIXED(domain), PAGE_SIZE, M_WAITOK | M_ZERO); - mce_stack = (char *)kmem_malloc_domainset( - DOMAINSET_FIXED(domain), PAGE_SIZE, M_WAITOK | M_ZERO); + doublefault_stack = (char *)kmem_malloc(PAGE_SIZE, M_WAITOK | + M_ZERO); + mce_stack = (char *)kmem_malloc(PAGE_SIZE, M_WAITOK | M_ZERO); nmi_stack = (char *)kmem_malloc_domainset( DOMAINSET_FIXED(domain), PAGE_SIZE, M_WAITOK | M_ZERO); dbg_stack = (char *)kmem_malloc_domainset(