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mm/gup_test.c: convert verify_dma_pinned() to us folios

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verify_dma_pinned() checks that pages are dma-pinned.  We can convert this
to use folios.

Link: https://lkml.kernel.org/r/20230614021312.34085-4-vishal.moola@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Lorenzo Stoakes <lstoakes@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Vishal Moola (Oracle) 2023-06-13 19:13:10 -07:00 committed by Andrew Morton
parent 28fb54f6a2
commit c9223a4aed
1 changed files with 7 additions and 6 deletions
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13
mm/gup_test.c
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@ -40,24 +40,25 @@ static void verify_dma_pinned(unsigned int cmd, struct page **pages,
unsigned long nr_pages)
{
unsigned long i;
struct page *page;
struct folio *folio;
switch (cmd) {
case PIN_FAST_BENCHMARK:
case PIN_BASIC_TEST:
case PIN_LONGTERM_BENCHMARK:
for (i = 0; i < nr_pages; i++) {
page = pages[i];
if (WARN(!page_maybe_dma_pinned(page),
folio = page_folio(pages[i]);
if (WARN(!folio_maybe_dma_pinned(folio),
"pages[%lu] is NOT dma-pinned\n", i)) {
dump_page(page, "gup_test failure");
dump_page(&folio->page, "gup_test failure");
break;
} else if (cmd == PIN_LONGTERM_BENCHMARK &&
WARN(!is_longterm_pinnable_page(page),
WARN(!folio_is_longterm_pinnable(folio),
"pages[%lu] is NOT pinnable but pinned\n",
i)) {
dump_page(page, "gup_test failure");
dump_page(&folio->page, "gup_test failure");
break;
}
}