Ubuntu manuals

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NAME

       mempool_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.)