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[PATCH] add asm-generic/mman.h
Make new MADV_REMOVE, MADV_DONTFORK, MADV_DOFORK consistent across all arches. The idea is to make it possible to use them portably even before distros include them in libc headers. Move common flags to asm-generic/mman.h Signed-off-by: Michael S. Tsirkin <[email protected]> Cc: Roland Dreier <[email protected]> Cc: Badari Pulavarty <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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21 changed files with 96 additions and 503 deletions
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@ -42,9 +42,11 @@
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#define MADV_WILLNEED 3 /* will need these pages */
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#define MADV_SPACEAVAIL 5 /* ensure resources are available */
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#define MADV_DONTNEED 6 /* don't need these pages */
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#define MADV_REMOVE 7 /* remove these pages & resources */
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#define MADV_DONTFORK 0x30 /* dont inherit across fork */
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#define MADV_DOFORK 0x31 /* do inherit across fork */
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/* common/generic parameters */
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#define MADV_REMOVE 9 /* remove these pages & resources */
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#define MADV_DONTFORK 10 /* don't inherit across fork */
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#define MADV_DOFORK 11 /* do inherit across fork */
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/* compatibility flags */
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#define MAP_ANON MAP_ANONYMOUS
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