Siddhesh Poyarekar 61117bfa1b tunables: Simplify TUNABLE_SET interface ... The TUNABLE_SET interface took a primitive C type argument, which resulted in inconsistent type conversions internally due to incorrect dereferencing of types, especialy on 32-bit architectures. This change simplifies the TUNABLE setting logic along with the interfaces. Now all numeric tunable values are stored as signed numbers in tunable_num_t, which is intmax_t. All calls to set tunables cast the input value to its primitive type and then to tunable_num_t for storage. This relies on gcc-specific (although I suspect other compilers woul also do the same) unsigned to signed integer conversion semantics, i.e. the bit pattern is conserved. The reverse conversion is guaranteed by the standard.		2021-02-10 19:08:33 +05:30
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linux	tunables: Simplify TUNABLE_SET interface	2021-02-10 19:08:33 +05:30