The patch titled
Subject: mm: export cma_alloc() and cma_release()
has been added to the -mm tree. Its filename is
mm-export-cma-alloc-and-release.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-export-cma-alloc-and-release.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-export-cma-alloc-and-release.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Mark Salyzyn <salyzyn@xxxxxxxxxxx>
Subject: mm: export cma_alloc() and cma_release()
Some drivers can not be turned into a module without cma_alloc() and
cma_release() exported. Examples include ion, and we also found some out
of tree infiniband and camera drivers.
Link: http://lkml.kernel.org/r/20191002212257.196849-1-salyzyn@xxxxxxxxxxx
Signed-off-by: Mark Salyzyn <salyzyn@xxxxxxxxxxx>
Cc: Mark Salyzyn <salyzyn@xxxxxxxxxxx>
Cc: Yue Hu <huyue2@xxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ryohei Suzuki <ryh.szk.cmnty@xxxxxxxxx>
Cc: Doug Berger <opendmb@xxxxxxxxx>
Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Cc: Peng Fan <peng.fan@xxxxxxx>
Cc: Laura Abbott <labbott@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/cma.c | 2 ++
1 file changed, 2 insertions(+)
--- a/mm/cma.c~mm-export-cma-alloc-and-release
+++ a/mm/cma.c
@@ -500,6 +500,7 @@ struct page *cma_alloc(struct cma *cma,
pr_debug("%s(): returned %p\n", __func__, page);
return page;
}
+EXPORT_SYMBOL_GPL(cma_alloc);
/**
* cma_release() - release allocated pages
@@ -533,6 +534,7 @@ bool cma_release(struct cma *cma, const
return true;
}
+EXPORT_SYMBOL_GPL(cma_release);
int cma_for_each_area(int (*it)(struct cma *cma, void *data), void *data)
{
_
Patches currently in -mm which might be from salyzyn@xxxxxxxxxxx are
mm-export-cma-alloc-and-release.patch
