The current number of pdflush threads. This value is read-only.
The value changes according to the number of dirty pages in the system.
-When neccessary, additional pdflush threads are created, one per second, up to
+When necessary, additional pdflush threads are created, one per second, up to
nr_pdflush_threads_max.
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This control is used to define how aggressive the kernel will swap
memory pages. Higher values will increase agressiveness, lower values
-descrease the amount of swap.
+decrease the amount of swap.
The default value is 60.