diff options
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index a05d74bd8..d5daeba2c 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -44,7 +44,7 @@ struct vm_area_struct { struct vm_area_struct *vm_next; pgprot_t vm_page_prot; - unsigned short vm_flags; + unsigned long vm_flags; /* AVL tree of VM areas per task, sorted by address */ short vm_avl_height; @@ -66,26 +66,26 @@ struct vm_area_struct { /* * vm_flags.. */ -#define VM_READ 0x0001 /* currently active flags */ -#define VM_WRITE 0x0002 -#define VM_EXEC 0x0004 -#define VM_SHARED 0x0008 - -#define VM_MAYREAD 0x0010 /* limits for mprotect() etc */ -#define VM_MAYWRITE 0x0020 -#define VM_MAYEXEC 0x0040 -#define VM_MAYSHARE 0x0080 - -#define VM_GROWSDOWN 0x0100 /* general info on the segment */ -#define VM_GROWSUP 0x0200 -#define VM_SHM 0x0400 /* shared memory area, don't swap out */ -#define VM_DENYWRITE 0x0800 /* ETXTBSY on write attempts.. */ - -#define VM_EXECUTABLE 0x1000 -#define VM_LOCKED 0x2000 -#define VM_IO 0x4000 /* Memory mapped I/O or similar */ - -#define VM_STACK_FLAGS 0x0177 +#define VM_READ 0x00000001 /* currently active flags */ +#define VM_WRITE 0x00000002 +#define VM_EXEC 0x00000004 +#define VM_SHARED 0x00000008 + +#define VM_MAYREAD 0x00000010 /* limits for mprotect() etc */ +#define VM_MAYWRITE 0x00000020 +#define VM_MAYEXEC 0x00000040 +#define VM_MAYSHARE 0x00000080 + +#define VM_GROWSDOWN 0x00000100 /* general info on the segment */ +#define VM_GROWSUP 0x00000200 +#define VM_SHM 0x00000400 /* shared memory area, don't swap out */ +#define VM_DENYWRITE 0x00000800 /* ETXTBSY on write attempts.. */ + +#define VM_EXECUTABLE 0x00001000 +#define VM_LOCKED 0x00002000 +#define VM_IO 0x00004000 /* Memory mapped I/O or similar */ + +#define VM_STACK_FLAGS 0x00000177 /* * mapping from the currently active vm_flags protection bits (the |