From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/ia64/include/asm/meminit.h | 74 ++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 kernel/arch/ia64/include/asm/meminit.h (limited to 'kernel/arch/ia64/include/asm/meminit.h') diff --git a/kernel/arch/ia64/include/asm/meminit.h b/kernel/arch/ia64/include/asm/meminit.h new file mode 100644 index 000000000..092f1c91b --- /dev/null +++ b/kernel/arch/ia64/include/asm/meminit.h @@ -0,0 +1,74 @@ +#ifndef meminit_h +#define meminit_h + +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + + +/* + * Entries defined so far: + * - boot param structure itself + * - memory map + * - initrd (optional) + * - command line string + * - kernel code & data + * - crash dumping code reserved region + * - Kernel memory map built from EFI memory map + * - ELF core header + * + * More could be added if necessary + */ +#define IA64_MAX_RSVD_REGIONS 9 + +struct rsvd_region { + u64 start; /* virtual address of beginning of element */ + u64 end; /* virtual address of end of element + 1 */ +}; + +extern struct rsvd_region rsvd_region[IA64_MAX_RSVD_REGIONS + 1]; +extern int num_rsvd_regions; + +extern void find_memory (void); +extern void reserve_memory (void); +extern void find_initrd (void); +extern int filter_rsvd_memory (u64 start, u64 end, void *arg); +extern int filter_memory (u64 start, u64 end, void *arg); +extern unsigned long efi_memmap_init(u64 *s, u64 *e); +extern int find_max_min_low_pfn (u64, u64, void *); + +extern unsigned long vmcore_find_descriptor_size(unsigned long address); +extern int reserve_elfcorehdr(u64 *start, u64 *end); + +/* + * For rounding an address to the next IA64_GRANULE_SIZE or order + */ +#define GRANULEROUNDDOWN(n) ((n) & ~(IA64_GRANULE_SIZE-1)) +#define GRANULEROUNDUP(n) (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1)) + +#ifdef CONFIG_NUMA + extern void call_pernode_memory (unsigned long start, unsigned long len, void *func); +#else +# define call_pernode_memory(start, len, func) (*func)(start, len, 0) +#endif + +#define IGNORE_PFN0 1 /* XXX fix me: ignore pfn 0 until TLB miss handler is updated... */ + +extern int register_active_ranges(u64 start, u64 len, int nid); + +#ifdef CONFIG_VIRTUAL_MEM_MAP +# define LARGE_GAP 0x40000000 /* Use virtual mem map if hole is > than this */ + extern unsigned long VMALLOC_END; + extern struct page *vmem_map; + extern int find_largest_hole(u64 start, u64 end, void *arg); + extern int create_mem_map_page_table(u64 start, u64 end, void *arg); + extern int vmemmap_find_next_valid_pfn(int, int); +#else +static inline int vmemmap_find_next_valid_pfn(int node, int i) +{ + return i + 1; +} +#endif +#endif /* meminit_h */ -- cgit 1.2.3-korg