diff options
| author | Sidhartha Kumar <sidhartha.kumar@oracle.com> | 2025-08-04 14:51:17 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-13 16:54:46 -0700 |
| commit | 1097a3d456ae11a09a8c624f80505150e1f112ae (patch) | |
| tree | e14d0b00aa290cbdca7d8921ee9f6e382e8c8deb | |
| parent | 1738796994a439b0ea796847e3ceb8688dacd93d (diff) | |
mm/nommu: convert kobjsize() to folios
Simple folio conversion to remove a user of PageSlab() and PageCompound().
Link: https://lkml.kernel.org/r/20250804145117.3857308-1-sidhartha.kumar@oracle.com
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/nommu.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 6fff462f90d3..c3a23b082adb 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -64,7 +64,7 @@ const struct vm_operations_struct generic_file_vm_ops = { */ unsigned int kobjsize(const void *objp) { - struct page *page; + struct folio *folio; /* * If the object we have should not have ksize performed on it, @@ -73,22 +73,22 @@ unsigned int kobjsize(const void *objp) if (!objp || !virt_addr_valid(objp)) return 0; - page = virt_to_head_page(objp); + folio = virt_to_folio(objp); /* * If the allocator sets PageSlab, we know the pointer came from * kmalloc(). */ - if (PageSlab(page)) + if (folio_test_slab(folio)) return ksize(objp); /* - * If it's not a compound page, see if we have a matching VMA + * If it's not a large folio, see if we have a matching VMA * region. This test is intentionally done in reverse order, * so if there's no VMA, we still fall through and hand back - * PAGE_SIZE for 0-order pages. + * PAGE_SIZE for 0-order folios. */ - if (!PageCompound(page)) { + if (!folio_test_large(folio)) { struct vm_area_struct *vma; vma = find_vma(current->mm, (unsigned long)objp); @@ -100,7 +100,7 @@ unsigned int kobjsize(const void *objp) * The ksize() function is only guaranteed to work for pointers * returned by kmalloc(). So handle arbitrary pointers here. */ - return page_size(page); + return folio_size(folio); } void vfree(const void *addr) |