Hi Greg, JFYI, I have rebase this patchset to v4.15-rc1.[1] [1] https://lkml.org/lkml/2018/2/12/204 Thanks Yisheng On 2018/2/7 11:59, Yisheng Xie wrote: > ion_page_pool_alloc_pages calls alloc_pages to allocate pages for page > pools. If alloc_pages return NULL, it will return NULL, or it will > return the pages allocate from alloc_pages. So we can just return > alloc_pages without any judgement. > > Signed-off-by: Yisheng Xie <xieyisheng1@xxxxxxxxxx> > --- > drivers/staging/android/ion/ion_page_pool.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) > > diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/ion_page_pool.c > index e3a6e32..6d2caf0 100644 > --- a/drivers/staging/android/ion/ion_page_pool.c > +++ b/drivers/staging/android/ion/ion_page_pool.c > @@ -11,13 +11,9 @@ > > #include "ion.h" > > -static void *ion_page_pool_alloc_pages(struct ion_page_pool *pool) > +static inline struct page *ion_page_pool_alloc_pages(struct ion_page_pool *pool) > { > - struct page *page = alloc_pages(pool->gfp_mask, pool->order); > - > - if (!page) > - return NULL; > - return page; > + return alloc_pages(pool->gfp_mask, pool->order); > } > > static void ion_page_pool_free_pages(struct ion_page_pool *pool, > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel