diff options
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index a74262c71484..4b3fa6cd3106 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -16,6 +16,7 @@ #include <linux/pci.h> #include <linux/root_dev.h> #include <linux/sfi.h> +#include <linux/hugetlb.h> #include <linux/tboot.h> #include <linux/usb/xhci-dbgp.h> @@ -64,7 +65,6 @@ RESERVE_BRK(dmi_alloc, 65536); * at link time, with RESERVE_BRK*() facility reserving additional * chunks. */ -static __initdata unsigned long _brk_start = (unsigned long)__brk_base; unsigned long _brk_end = (unsigned long)__brk_base; @@ -1158,6 +1158,9 @@ void __init setup_arch(char **cmdline_p) initmem_init(); dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT); + if (boot_cpu_has(X86_FEATURE_GBPAGES)) + hugetlb_cma_reserve(PUD_SHIFT - PAGE_SHIFT); + /* * Reserve memory for crash kernel after SRAT is parsed so that it * won't consume hotpluggable memory. |