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Searched refs:zeropage (Results 1 – 7 of 7) sorted by relevance

/linux/drivers/spi/
H A Dspi-ep93xx.c95 void *zeropage; member
338 sg_set_page(sg, virt_to_page(espi->zeropage), in ep93xx_spi_dma_prepare()
578 espi->zeropage = (void *)get_zeroed_page(GFP_KERNEL); in ep93xx_spi_setup_dma()
579 if (!espi->zeropage) in ep93xx_spi_setup_dma()
600 free_page((unsigned long)espi->zeropage); in ep93xx_spi_setup_dma()
616 if (espi->zeropage) in ep93xx_spi_release_dma()
617 free_page((unsigned long)espi->zeropage); in ep93xx_spi_release_dma()
/linux/tools/testing/selftests/mm/
H A Duffd-stress.c56 static char *zeropage; variable
280 zeropage = area; in userfaultfd_stress()
281 bzero(zeropage, gopts->page_size); in userfaultfd_stress()
H A Duffd-unit-tests.c878 if (uffdio_zeropage->zeropage != -EEXIST) in retry_uffdio_zeropage()
880 (int64_t)uffdio_zeropage->zeropage); in retry_uffdio_zeropage()
883 (int64_t)uffdio_zeropage->zeropage); in retry_uffdio_zeropage()
897 res = uffdio_zeropage.zeropage; in do_uffdio_zeropage()
1282 DEFINE_MMAP_CHANGING_TEST(zeropage, UFFDIO_ZEROPAGE, zeropage)
/linux/arch/parisc/include/asm/
H A Dpage.h175 #define PAGE0 ((struct zeropage *)absolute_pointer(__PAGE_OFFSET))
/linux/include/uapi/linux/
H A Duserfaultfd.h305 __s64 zeropage; member
/linux/arch/parisc/include/uapi/asm/
H A Dpdc.h395 struct zeropage { struct
/linux/fs/
H A Duserfaultfd.c1676 if (unlikely(put_user(ret, &user_uffdio_zeropage->zeropage))) in userfaultfd_zeropage()
1702 if (unlikely(put_user(ret, &user_uffdio_zeropage->zeropage))) in userfaultfd_zeropage()