| Message ID | 20230105214631.3939268-12-willy@infradead.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Split netmem from struct page | expand |
On 05/01/2023 22.46, Matthew Wilcox (Oracle) wrote: > Retrieve a netmem from the ptr_ring instead of a page. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > --- > net/core/page_pool.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/net/core/page_pool.c b/net/core/page_pool.c > index e727a74504c2..0212244e07e7 100644 > --- a/net/core/page_pool.c > +++ b/net/core/page_pool.c > @@ -755,16 +755,16 @@ EXPORT_SYMBOL(page_pool_alloc_frag); > > static void page_pool_empty_ring(struct page_pool *pool) > { > - struct page *page; > + struct netmem *nmem; > > /* Empty recycle ring */ > - while ((page = ptr_ring_consume_bh(&pool->ring))) { > + while ((nmem = ptr_ring_consume_bh(&pool->ring)) != NULL) { > /* Verify the refcnt invariant of cached pages */ > - if (!(page_ref_count(page) == 1)) > + if (netmem_ref_count(nmem) != 1) > pr_crit("%s() page_pool refcnt %d violation\n", > - __func__, page_ref_count(page)); > + __func__, netmem_ref_count(nmem)); > > - page_pool_return_page(pool, page); > + page_pool_return_netmem(pool, nmem); > } > I like the changes as it makes code more human readable :-) Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
On Thu, Jan 05, 2023 at 09:46:18PM +0000, Matthew Wilcox (Oracle) wrote: > Retrieve a netmem from the ptr_ring instead of a page. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > --- > net/core/page_pool.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/net/core/page_pool.c b/net/core/page_pool.c > index e727a74504c2..0212244e07e7 100644 > --- a/net/core/page_pool.c > +++ b/net/core/page_pool.c > @@ -755,16 +755,16 @@ EXPORT_SYMBOL(page_pool_alloc_frag); > > static void page_pool_empty_ring(struct page_pool *pool) > { > - struct page *page; > + struct netmem *nmem; > > /* Empty recycle ring */ > - while ((page = ptr_ring_consume_bh(&pool->ring))) { > + while ((nmem = ptr_ring_consume_bh(&pool->ring)) != NULL) { > /* Verify the refcnt invariant of cached pages */ > - if (!(page_ref_count(page) == 1)) > + if (netmem_ref_count(nmem) != 1) > pr_crit("%s() page_pool refcnt %d violation\n", > - __func__, page_ref_count(page)); > + __func__, netmem_ref_count(nmem)); > > - page_pool_return_page(pool, page); > + page_pool_return_netmem(pool, nmem); > } > } > > -- > 2.35.1 > Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/net/core/page_pool.c b/net/core/page_pool.c index e727a74504c2..0212244e07e7 100644 --- a/net/core/page_pool.c +++ b/net/core/page_pool.c @@ -755,16 +755,16 @@ EXPORT_SYMBOL(page_pool_alloc_frag); static void page_pool_empty_ring(struct page_pool *pool) { - struct page *page; + struct netmem *nmem; /* Empty recycle ring */ - while ((page = ptr_ring_consume_bh(&pool->ring))) { + while ((nmem = ptr_ring_consume_bh(&pool->ring)) != NULL) { /* Verify the refcnt invariant of cached pages */ - if (!(page_ref_count(page) == 1)) + if (netmem_ref_count(nmem) != 1) pr_crit("%s() page_pool refcnt %d violation\n", - __func__, page_ref_count(page)); + __func__, netmem_ref_count(nmem)); - page_pool_return_page(pool, page); + page_pool_return_netmem(pool, nmem); } }
Retrieve a netmem from the ptr_ring instead of a page. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- net/core/page_pool.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)