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

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NAMEmempool_alloc − allocate an element from a specific memory pool

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SYNOPSISvoid * mempool_alloc(mempool_t * pool, gfp_t gfp_mask);

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ARGUMENTSpool pointer to the memory pool which was allocated via mempool_create​. gfp_mask the usual allocation bitmask​.

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DESCRIPTIONthis function only sleeps if the alloc_fn function sleeps or returns NULL​. Note that due to preallocation, this function *never* fails when called from process contexts​. (it might fail if called from an IRQ context​.)

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