page-types: introduce kpageflags_flags()
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -436,6 +436,16 @@ static uint64_t well_known_flags(uint64_t flags)
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return flags;
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}
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static uint64_t kpageflags_flags(uint64_t flags)
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{
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flags = expand_overloaded_flags(flags);
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if (!opt_raw)
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flags = well_known_flags(flags);
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return flags;
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}
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/*
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* page frame walker
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*/
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@ -470,10 +480,7 @@ static int hash_slot(uint64_t flags)
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static void add_page(unsigned long voffset,
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unsigned long offset, uint64_t flags)
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{
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flags = expand_overloaded_flags(flags);
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if (!opt_raw)
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flags = well_known_flags(flags);
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flags = kpageflags_flags(flags);
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if (!bit_mask_ok(flags))
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return;
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