| Message ID | 20210615132456.753241-3-hch@lst.de (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [01/18] mm: add a kunmap_local_dirty helper | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (419dfbc3e05d80c5f6d6856534cd0a21c22c22de) |
| snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 8 lines checked |
| snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 65f548db4f2d..d0497c0daf80 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -333,7 +333,7 @@ static inline void memcpy_to_page(struct page *page, size_t offset, VM_BUG_ON(offset + len > PAGE_SIZE); memcpy(to + offset, from, len); - kunmap_local(to); + kunmap_local_dirty(page, to); } static inline void memzero_page(struct page *page, size_t offset, size_t len)
memcpy_to_page can write to potentially mapped page cache pages, so use kunmap_local_dirty to make sure flush_kernel_dcache_pages is called. Signed-off-by: Christoph Hellwig <hch@lst.de> --- include/linux/highmem.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)