[PATCH 15/29] mm: don't return the number of pages from map_kernel_range{, _noflush}
From: Christoph Hellwig <hch@lst.de>
Date: 2020-04-14 13:15:57
Also in:
bpf, linux-arch, linux-arm-kernel, linux-hyperv, linux-iommu, linux-mm, linux-s390, lkml
Subsystem:
memory management, the rest, vmalloc · Maintainers:
Andrew Morton, Linus Torvalds, Uladzislau Rezki
None of the callers needs the number of pages, and a 0 / -errno return value is a lot more intuitive. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> --- mm/vmalloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a3d810def567..ca8dc5d42580 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c@@ -249,7 +249,7 @@ static int vmap_p4d_range(pgd_t *pgd, unsigned long addr, * function. * * RETURNS: - * The number of pages mapped on success, -errno on failure. + * 0 on success, -errno on failure. */ int map_kernel_range_noflush(unsigned long addr, unsigned long size, pgprot_t prot, struct page **pages)
@@ -269,7 +269,7 @@ int map_kernel_range_noflush(unsigned long addr, unsigned long size, return err; } while (pgd++, addr = next, addr != end); - return nr; + return 0; } static int map_kernel_range(unsigned long start, unsigned long size,
--
2.25.1