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| author | Laura Abbott <labbott@redhat.com> | 2017-04-18 11:27:04 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-18 20:41:12 +0200 |
| commit | e4231bcda72daef497af45e195a33daa0f9357d0 (patch) | |
| tree | b07421594e284d0c33e310d43d857fc67aeb8c88 /include/linux/cma.h | |
| parent | f318dd083c8128c50e48ceb8c3e812e52800fc4f (diff) | |
| download | linux-e4231bcda72daef497af45e195a33daa0f9357d0.tar.gz linux-e4231bcda72daef497af45e195a33daa0f9357d0.tar.bz2 linux-e4231bcda72daef497af45e195a33daa0f9357d0.zip | |
cma: Introduce cma_for_each_area
Frameworks (e.g. Ion) may want to iterate over each possible CMA area to
allow for enumeration. Introduce a function to allow a callback.
Signed-off-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/cma.h')
| -rw-r--r-- | include/linux/cma.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cma.h b/include/linux/cma.h index d41d1f8d1e28..3e8fbf5a5c73 100644 --- a/include/linux/cma.h +++ b/include/linux/cma.h @@ -34,4 +34,6 @@ extern int cma_init_reserved_mem(phys_addr_t base, phys_addr_t size, extern struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align, gfp_t gfp_mask); extern bool cma_release(struct cma *cma, const struct page *pages, unsigned int count); + +extern int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data); #endif |