diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2024-06-18 12:12:39 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-04 05:30:20 +0300 |
| commit | 78fefd04c123493bbf28434768fa577b2153c79b (patch) | |
| tree | 3c53f2c78b94554cbda1394c3ec0f90729491e79 /mm/hugetlb.c | |
| parent | 08af2c12e3ef379de94ba5653f2f9ae9a588ecd9 (diff) | |
| download | linux-78fefd04c123493bbf28434768fa577b2153c79b.tar.xz | |
mm: memory: convert clear_huge_page() to folio_zero_user()
Patch series "mm: improve clear and copy user folio", v2.
Some folio conversions. An improvement is to move address alignment into
the caller as it is only needed if we don't know which address will be
accessed when clearing/copying user folios.
This patch (of 4):
Replace clear_huge_page() with folio_zero_user(), and take a folio
instead of a page. Directly get number of pages by folio_nr_pages()
to remove pages_per_huge_page argument, furthermore, move the address
alignment from folio_zero_user() to the callers since the alignment
is only needed when we don't know which address will be accessed.
Link: https://lkml.kernel.org/r/20240618091242.2140164-1-wangkefeng.wang@huawei.com
Link: https://lkml.kernel.org/r/20240618091242.2140164-2-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 6a5ea898e4da..a47f8c6c37c2 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -6300,8 +6300,7 @@ static vm_fault_t hugetlb_no_page(struct address_space *mapping, ret = 0; goto out; } - clear_huge_page(&folio->page, vmf->real_address, - pages_per_huge_page(h)); + folio_zero_user(folio, vmf->real_address); __folio_mark_uptodate(folio); new_folio = true; |