include/linux/fadvise.h
changeset 0 aa628870c1d3
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-1:000000000000 0:aa628870c1d3
       
     1 #ifndef FADVISE_H_INCLUDED
       
     2 #define FADVISE_H_INCLUDED
       
     3 
       
     4 #define POSIX_FADV_NORMAL	0 /* No further special treatment.  */
       
     5 #define POSIX_FADV_RANDOM	1 /* Expect random page references.  */
       
     6 #define POSIX_FADV_SEQUENTIAL	2 /* Expect sequential page references.  */
       
     7 #define POSIX_FADV_WILLNEED	3 /* Will need these pages.  */
       
     8 
       
     9 /*
       
    10  * The advise values for POSIX_FADV_DONTNEED and POSIX_ADV_NOREUSE
       
    11  * for s390-64 differ from the values for the rest of the world.
       
    12  */
       
    13 #if defined(__s390x__)
       
    14 #define POSIX_FADV_DONTNEED	6 /* Don't need these pages.  */
       
    15 #define POSIX_FADV_NOREUSE	7 /* Data will be accessed once.  */
       
    16 #else
       
    17 #define POSIX_FADV_DONTNEED	4 /* Don't need these pages.  */
       
    18 #define POSIX_FADV_NOREUSE	5 /* Data will be accessed once.  */
       
    19 #endif
       
    20 
       
    21 #endif	/* FADVISE_H_INCLUDED */