MEMPOOL_RESIZE - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Memory Management in Linux

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NAMEmempool_resize − resize an existing memory pool

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SYNOPSISint mempool_resize(mempool_t * pool, int new_min_nr, gfp_t gfp_mask);

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ARGUMENTSpool pointer to the memory pool which was allocated via mempool_create​. new_min_nr the new minimum number of elements guaranteed to be allocated for this pool​. gfp_mask the usual allocation bitmask​.

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DESCRIPTIONThis function shrinks/grows the pool​. In the case of growing, it cannot be guaranteed that the pool will be grown to the new size immediately, but new mempool_free calls will refill it​. Note, the caller must guarantee that no mempool_destroy is called while this function is running​. mempool_alloc & mempool_free might be called (eg​. from IRQ contexts) while this function executes​.

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