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author | Mike Kravetz <mike.kravetz@oracle.com> | 2021-11-05 21:41:23 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-06 21:30:39 +0100 |
commit | 9871e2ded6c1ff61a59988d7a0e975f012105d52 (patch) | |
tree | 0a8b13329b927d7252a6baa2f29cb670c8101bd2 /mm/hugetlb.c | |
parent | hugetlb: add demote hugetlb page sysfs interfaces (diff) | |
download | linux-9871e2ded6c1ff61a59988d7a0e975f012105d52.tar.xz linux-9871e2ded6c1ff61a59988d7a0e975f012105d52.zip |
mm/cma: add cma_pages_valid to determine if pages are in CMA
Add new interface cma_pages_valid() which indicates if the specified
pages are part of a CMA region. This interface will be used in a
subsequent patch by hugetlb code.
In order to keep the same amount of DEBUG information, a pr_debug() call
was added to cma_pages_valid(). In the case where the page passed to
cma_release is not in cma region, the debug message will be printed from
cma_pages_valid as opposed to cma_release.
Link: https://lkml.kernel.org/r/20211007181918.136982-3-mike.kravetz@oracle.com
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Naoya Horiguchi <naoya.horiguchi@linux.dev>
Cc: Nghia Le <nghialm78@gmail.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
0 files changed, 0 insertions, 0 deletions