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mm/cma.c: export functions to be called from DLKM driver

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export cma_get_base/cma_get_size for audio drivers
to allocate cma buffer.

Change-Id: Ib5e28981a598b4981331ef152f248220d9c2d051
Signed-off-by: Asish Bhattacharya <asishb@codeaurora.org>
This commit is contained in:
Asish Bhattacharya 2019-11-12 21:49:58 +05:30
commit dc753710d4
1 changed files with 2 additions and 0 deletions
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2
mm/cma.c
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@ -49,11 +49,13 @@ 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);
const char *cma_get_name(const struct cma *cma)
{