summaryrefslogtreecommitdiff
path: root/ANDROID_3.4.5/include/linux/mman.h
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/mman.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-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.h93
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 */