[PATCH 1/2] mm/cma: remove unsupported gfp_mask parameter from cma_alloc()

Joonsoo Kim js1304 at gmail.com
Tue Jul 10 17:19:32 AEST 2018


Hello, Marek.

2018-07-09 21:19 GMT+09:00 Marek Szyprowski <m.szyprowski at samsung.com>:
> cma_alloc() function doesn't really support gfp flags other than
> __GFP_NOWARN, so convert gfp_mask parameter to boolean no_warn parameter.

Although gfp_mask isn't used in cma_alloc() except no_warn, it can be used
in alloc_contig_range(). For example, if passed gfp mask has no __GFP_FS,
compaction(isolation) would work differently. Do you have considered
such a case?

Thanks.


More information about the Linuxppc-dev mailing list