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Use if ... else when printing memory attributes
In vmstat there is a switch statement that converts these attributes to a string. As some values can be duplicate we have to hide these from userspace. Replace this switch statement with an if ... else macro that lets us repeat values without a compiler error. Reviewed by: kib MFC after: 2 weeks Sponsored by: ABT Systems Ltd Differential Revision: https://reviews.freebsd.org/D29703
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@ -1538,66 +1538,48 @@ display_object(struct kinfo_vmobject *kvo)
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xo_emit("{:inactive/%5ju} ", (uintmax_t)kvo->kvo_inactive);
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xo_emit("{:refcount/%3d} ", kvo->kvo_ref_count);
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xo_emit("{:shadowcount/%3d} ", kvo->kvo_shadow_count);
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switch (kvo->kvo_memattr) {
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#define MEMATTR_STR(type, val) \
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if (kvo->kvo_memattr == (type)) { \
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str = (val); \
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} else
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#ifdef VM_MEMATTR_UNCACHEABLE
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case VM_MEMATTR_UNCACHEABLE:
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str = "UC";
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break;
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MEMATTR_STR(VM_MEMATTR_UNCACHEABLE, "UC")
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#endif
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#ifdef VM_MEMATTR_WRITE_COMBINING
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case VM_MEMATTR_WRITE_COMBINING:
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str = "WC";
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break;
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MEMATTR_STR(VM_MEMATTR_WRITE_COMBINING, "WC")
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#endif
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#ifdef VM_MEMATTR_WRITE_THROUGH
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case VM_MEMATTR_WRITE_THROUGH:
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str = "WT";
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break;
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MEMATTR_STR(VM_MEMATTR_WRITE_THROUGH, "WT")
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#endif
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#ifdef VM_MEMATTR_WRITE_PROTECTED
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case VM_MEMATTR_WRITE_PROTECTED:
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str = "WP";
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break;
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MEMATTR_STR(VM_MEMATTR_WRITE_PROTECTED, "WP")
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#endif
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#ifdef VM_MEMATTR_WRITE_BACK
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case VM_MEMATTR_WRITE_BACK:
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str = "WB";
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break;
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MEMATTR_STR(VM_MEMATTR_WRITE_BACK, "WB")
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#endif
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#ifdef VM_MEMATTR_WEAK_UNCACHEABLE
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case VM_MEMATTR_WEAK_UNCACHEABLE:
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str = "UC-";
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break;
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MEMATTR_STR(VM_MEMATTR_WEAK_UNCACHEABLE, "UC-")
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#endif
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#ifdef VM_MEMATTR_WB_WA
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case VM_MEMATTR_WB_WA:
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str = "WB";
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break;
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MEMATTR_STR(VM_MEMATTR_WB_WA, "WB")
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#endif
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#ifdef VM_MEMATTR_NOCACHE
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case VM_MEMATTR_NOCACHE:
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str = "NC";
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break;
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MEMATTR_STR(VM_MEMATTR_NOCACHE, "NC")
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#endif
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#ifdef VM_MEMATTR_DEVICE
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case VM_MEMATTR_DEVICE:
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str = "DEV";
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break;
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MEMATTR_STR(VM_MEMATTR_DEVICE, "DEV")
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#endif
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#ifdef VM_MEMATTR_CACHEABLE
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case VM_MEMATTR_CACHEABLE:
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str = "C";
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break;
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MEMATTR_STR(VM_MEMATTR_CACHEABLE, "C")
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#endif
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#ifdef VM_MEMATTR_PREFETCHABLE
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case VM_MEMATTR_PREFETCHABLE:
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str = "PRE";
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break;
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MEMATTR_STR(VM_MEMATTR_PREFETCHABLE, "PRE")
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#endif
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default:
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{
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str = "??";
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break;
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}
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#undef MEMATTR_STR
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xo_emit("{:attribute/%-3s} ", str);
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switch (kvo->kvo_type) {
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case KVME_TYPE_NONE:
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