MEMPOOL_ALLOC(9) Memory Management in Linux MEMPOOL_ALLOC(9)NAMEmempool_alloc - allocate an element from a specific memory pool
SYNOPSIS
void * mempool_alloc(mempool_t * pool, gfp_t gfp_mask);
ARGUMENTS
pool
pointer to the memory pool which was allocated via mempool_create.
gfp_mask
the usual allocation bitmask.
DESCRIPTION
this 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.)
COPYRIGHTKernel Hackers Manual 3.11 November 2013 MEMPOOL_ALLOC(9)