From mboxrd@z Thu Jan 1 00:00:00 1970 From: mhocko@kernel.org (Michal Hocko) Date: Thu, 9 Feb 2017 20:20:47 +0100 Subject: [PATCH 3/8] mm: cma: Export a few symbols In-Reply-To: <2dee6c0baaf08e2c7d48ceb7e97e511c914d0f87.1486655917.git-series.maxime.ripard@free-electrons.com> References: <2dee6c0baaf08e2c7d48ceb7e97e511c914d0f87.1486655917.git-series.maxime.ripard@free-electrons.com> Message-ID: <20170209192046.GB31906@dhcp22.suse.cz> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org [CC CMA people] On Thu 09-02-17 17:39:17, Maxime Ripard wrote: > Modules might want to check their CMA pool size and address for debugging > and / or have additional checks. > > The obvious way to do this would be through dev_get_cma_area and > cma_get_base and cma_get_size, that are currently not exported, which > results in a build failure. > > Export them to prevent such a failure. Who actually uses those exports. None of the follow up patches does AFAICS. > Signed-off-by: Maxime Ripard > --- > drivers/base/dma-contiguous.c | 1 + > mm/cma.c | 2 ++ > 2 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c > index e167a1e1bccb..60f5c2591ccd 100644 > --- a/drivers/base/dma-contiguous.c > +++ b/drivers/base/dma-contiguous.c > @@ -35,6 +35,7 @@ > #endif > > struct cma *dma_contiguous_default_area; > +EXPORT_SYMBOL(dma_contiguous_default_area); > > /* > * Default global CMA area size can be defined in kernel's .config. > diff --git a/mm/cma.c b/mm/cma.c > index c960459eda7e..b50245282a18 100644 > --- a/mm/cma.c > +++ b/mm/cma.c > @@ -47,11 +47,13 @@ phys_addr_t cma_get_base(const struct cma *cma) > { > return PFN_PHYS(cma->base_pfn); > } > +EXPORT_SYMBOL(cma_get_base); > > unsigned long cma_get_size(const struct cma *cma) > { > return cma->count << PAGE_SHIFT; > } > +EXPORT_SYMBOL(cma_get_size); > > static unsigned long cma_bitmap_aligned_mask(const struct cma *cma, > int align_order) > -- > git-series 0.8.11 > > -- > To unsubscribe, send a message with 'unsubscribe linux-mm' in > the body to majordomo at kvack.org. For more info on Linux MM, > see: http://www.linux-mm.org/ . > Don't email: email at kvack.org -- Michal Hocko SUSE Labs