diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-03-26 20:28:23 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-25 20:56:19 -0700 |
| commit | e06d03d5590ae1c257b8aa2cfbfe6765e0755c14 (patch) | |
| tree | e1300c67bcfaff343e73595ccb961ea082af64a3 /include | |
| parent | 5beaee54a324ba1fe307e341ec825d5d099f4091 (diff) | |
| download | lwn-e06d03d5590ae1c257b8aa2cfbfe6765e0755c14.tar.gz lwn-e06d03d5590ae1c257b8aa2cfbfe6765e0755c14.zip | |
mm: add pmd_folio()
Convert directly from a pmd to a folio without going through another
representation first. For now this is just a slightly shorter way to
write it, but it might end up being more efficient later.
Link: https://lkml.kernel.org/r/20240326202833.523759-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pgtable.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 600e17d03659..09c85c7bf9c2 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -50,6 +50,8 @@ #define pmd_pgtable(pmd) pmd_page(pmd) #endif +#define pmd_folio(pmd) page_folio(pmd_page(pmd)) + /* * A page table page can be thought of an array like this: pXd_t[PTRS_PER_PxD] * |