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Fix compilation on ia64 when page size is configured for 16KB.

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Reviewed by:	alc, marcel
This commit is contained in:
Konstantin Belousov 2012-10-28 11:53:54 +00:00
parent 2029f58919
commit 28854834f4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=242218
2 changed files with 37 additions and 21 deletions
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43
sys/ia64/ia64/pmap.c
View File

@ -139,6 +139,29 @@ extern uint64_t ia64_gateway_page[];
#define pmap_set_wired(lpte) (lpte)->pte |= PTE_WIRED
/*
* Individual PV entries are stored in per-pmap chunks. This saves
* space by eliminating the need to record the pmap within every PV
* entry.
*/
#if PAGE_SIZE == 8192
#define _NPCM 6
#define _NPCPV 337
#define _NPCS 2
#elif PAGE_SIZE == 16384
#define _NPCM 11
#define _NPCPV 677
#define _NPCS 1
#endif
struct pv_chunk {
pmap_t pc_pmap;
TAILQ_ENTRY(pv_chunk) pc_list;
u_long pc_map[_NPCM]; /* bitmap; 1 = free */
TAILQ_ENTRY(pv_chunk) pc_lru;
u_long pc_spare[_NPCS];
struct pv_entry pc_pventry[_NPCPV];
};
/*
* The VHPT bucket head structure.
*/
@ -693,8 +716,6 @@ pmap_growkernel(vm_offset_t addr)
***************************************************/
CTASSERT(sizeof(struct pv_chunk) == PAGE_SIZE);
CTASSERT(_NPCM == 6);
CTASSERT(_NPCPV == 337);
static __inline struct pv_chunk *
pv_to_chunk(pv_entry_t pv)
@ -705,13 +726,23 @@ pv_to_chunk(pv_entry_t pv)
#define PV_PMAP(pv) (pv_to_chunk(pv)->pc_pmap)
#define PC_FREE0_4 0xfffffffffffffffful
#define PC_FREE5 0x000000000001fffful
#define PC_FREE_FULL 0xfffffffffffffffful
#define PC_FREE_PARTIAL \
((1UL << (_NPCPV - sizeof(u_long) * 8 * (_NPCM - 1))) - 1)
#if PAGE_SIZE == 8192
static const u_long pc_freemask[_NPCM] = {
PC_FREE0_4, PC_FREE0_4, PC_FREE0_4,
PC_FREE0_4, PC_FREE0_4, PC_FREE5
PC_FREE_FULL, PC_FREE_FULL, PC_FREE_FULL,
PC_FREE_FULL, PC_FREE_FULL, PC_FREE_PARTIAL
};
#elif PAGE_SIZE == 16384
static const u_long pc_freemask[_NPCM] = {
PC_FREE_FULL, PC_FREE_FULL, PC_FREE_FULL,
PC_FREE_FULL, PC_FREE_FULL, PC_FREE_FULL,
PC_FREE_FULL, PC_FREE_FULL, PC_FREE_FULL,
PC_FREE_FULL, PC_FREE_PARTIAL
};
#endif
static SYSCTL_NODE(_vm, OID_AUTO, pmap, CTLFLAG_RD, 0, "VM/pmap parameters");

15
sys/ia64/include/pmap.h
View File

@ -105,21 +105,6 @@ typedef struct pv_entry {
TAILQ_ENTRY(pv_entry) pv_list;
} *pv_entry_t;
/*
* pv_entries are allocated in chunks per-process. This avoids the
* need to track per-pmap assignments.
*/
#define _NPCM 6
#define _NPCPV 337
struct pv_chunk {
pmap_t pc_pmap;
TAILQ_ENTRY(pv_chunk) pc_list;
u_long pc_map[_NPCM]; /* bitmap; 1 = free */
TAILQ_ENTRY(pv_chunk) pc_lru;
u_long pc_spare[2];
struct pv_entry pc_pventry[_NPCPV];
};
#ifdef _KERNEL
extern vm_paddr_t phys_avail[];