diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2013-07-27 22:07:53 +0000 |
| commit | 4fbe7358c7747a9165f776eb19addbb9baf7def2 (patch) | |
| tree | bc7076b4f6d10c2cc2942539bb666e50f0b66954 /libdde_linux26/contrib/include/linux/mman.h | |
| parent | 21adb5284111190057db245cfc2b54091920c373 (diff) | |
rename libdde_linux26 into libdde-linux26 to make dpkg-source happy
Diffstat (limited to 'libdde_linux26/contrib/include/linux/mman.h')
| -rw-r--r-- | libdde_linux26/contrib/include/linux/mman.h | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/libdde_linux26/contrib/include/linux/mman.h b/libdde_linux26/contrib/include/linux/mman.h deleted file mode 100644 index 30d1073b..00000000 --- a/libdde_linux26/contrib/include/linux/mman.h +++ /dev/null @@ -1,96 +0,0 @@ -#ifndef _LINUX_MMAN_H -#define _LINUX_MMAN_H - -#include <asm/mman.h> - -#define MREMAP_MAYMOVE 1 -#define MREMAP_FIXED 2 - -#define OVERCOMMIT_GUESS 0 -#define OVERCOMMIT_ALWAYS 1 -#define OVERCOMMIT_NEVER 2 - -#ifdef __KERNEL__ -#include <linux/mm.h> - -#include <asm/atomic.h> - -extern int sysctl_overcommit_memory; -extern int sysctl_overcommit_ratio; -extern atomic_long_t vm_committed_space; - -#ifdef CONFIG_SMP -extern void vm_acct_memory(long pages); -#else -static inline void vm_acct_memory(long pages) -{ - atomic_long_add(pages, &vm_committed_space); -} -#endif - -static inline void vm_unacct_memory(long pages) -{ - vm_acct_memory(-pages); -} - -/* - * Allow architectures to handle additional protection bits - */ - -#ifndef arch_calc_vm_prot_bits -#define arch_calc_vm_prot_bits(prot) 0 -#endif - -#ifndef arch_vm_get_page_prot -#define arch_vm_get_page_prot(vm_flags) __pgprot(0) -#endif - -#ifndef arch_validate_prot -/* - * This is called from mprotect(). PROT_GROWSDOWN and PROT_GROWSUP have - * already been masked out. - * - * Returns true if the prot flags are valid - */ -static inline int arch_validate_prot(unsigned long prot) -{ - return (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM)) == 0; -} -#define arch_validate_prot arch_validate_prot -#endif - -/* - * Optimisation macro. It is equivalent to: - * (x & bit1) ? bit2 : 0 - * but this version is faster. - * ("bit1" and "bit2" must be single bits) - */ -#define _calc_vm_trans(x, bit1, bit2) \ - ((bit1) <= (bit2) ? ((x) & (bit1)) * ((bit2) / (bit1)) \ - : ((x) & (bit1)) / ((bit1) / (bit2))) - -/* - * Combine the mmap "prot" argument into "vm_flags" used internally. - */ -static inline unsigned long -calc_vm_prot_bits(unsigned long prot) -{ - return _calc_vm_trans(prot, PROT_READ, VM_READ ) | - _calc_vm_trans(prot, PROT_WRITE, VM_WRITE) | - _calc_vm_trans(prot, PROT_EXEC, VM_EXEC) | - arch_calc_vm_prot_bits(prot); -} - -/* - * Combine the mmap "flags" argument into "vm_flags" used internally. - */ -static inline unsigned long -calc_vm_flag_bits(unsigned long flags) -{ - return _calc_vm_trans(flags, MAP_GROWSDOWN, VM_GROWSDOWN ) | - _calc_vm_trans(flags, MAP_DENYWRITE, VM_DENYWRITE ) | - _calc_vm_trans(flags, MAP_EXECUTABLE, VM_EXECUTABLE) | - _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ); -} -#endif /* __KERNEL__ */ -#endif /* _LINUX_MMAN_H */ |
