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System | : | Linux MiraNet 3.0.0-14-generic-pae #23-Ubuntu SMP Mon Nov 21 22:07:10 UTC 2011 i686 |
Software | : | Apache. PHP/5.3.6-13ubuntu3.10 |
ID | : | uid=65534(nobody) gid=65534(nogroup) groups=65534(nogroup)
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Safe Mode | : | OFF |
Open_Basedir | : | OFF |
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MySQL: ON MSSQL: OFF Oracle: OFF PostgreSQL: OFF Curl: OFF Sockets: ON Fetch: OFF Wget: ON Perl: ON |
Disabled Functions: pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,
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/
usr/
src/
linux-headers-3.0.0-14/
arch/
parisc/
include/
asm/
- drwxr-xr-x
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Viewing file: mmu_context.h (1.75 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
#ifndef __PARISC_MMU_CONTEXT_H #define __PARISC_MMU_CONTEXT_H
#include <linux/mm.h> #include <linux/sched.h> #include <asm/atomic.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> #include <asm-generic/mm_hooks.h>
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { }
/* on PA-RISC, we actually have enough contexts to justify an allocator * for them. prumpf */
extern unsigned long alloc_sid(void); extern void free_sid(unsigned long);
static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { BUG_ON(atomic_read(&mm->mm_users) != 1);
mm->context = alloc_sid(); return 0; }
static inline void destroy_context(struct mm_struct *mm) { free_sid(mm->context); mm->context = 0; }
static inline unsigned long __space_to_prot(mm_context_t context) { #if SPACEID_SHIFT == 0 return context << 1; #else return context >> (SPACEID_SHIFT - 1); #endif }
static inline void load_context(mm_context_t context) { mtsp(context, 3); mtctl(__space_to_prot(context), 8); }
static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk) {
if (prev != next) { mtctl(__pa(next->pgd), 25); load_context(next->context); } }
#define deactivate_mm(tsk,mm) do { } while (0)
static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) { /* * Activate_mm is our one chance to allocate a space id * for a new mm created in the exec path. There's also * some lazy tlb stuff, which is currently dead code, but * we only allocate a space id if one hasn't been allocated * already, so we should be OK. */
BUG_ON(next == &init_mm); /* Should never happen */
if (next->context == 0) next->context = alloc_sid();
switch_mm(prev,next,current); } #endif
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