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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/mman.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/mman.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/mman.h | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/ANDROID_3.4.5/include/linux/mman.h b/ANDROID_3.4.5/include/linux/mman.h deleted file mode 100644 index 8b74e9b1..00000000 --- a/ANDROID_3.4.5/include/linux/mman.h +++ /dev/null @@ -1,93 +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 <linux/percpu_counter.h> - -#include <linux/atomic.h> - -extern int sysctl_overcommit_memory; -extern int sysctl_overcommit_ratio; -extern struct percpu_counter vm_committed_as; - -static inline void vm_acct_memory(long pages) -{ - percpu_counter_add(&vm_committed_as, pages); -} - -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 */ |