[15/29] mm: don't return the number of pages from map_kernel_range{,_noflush}
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Message ID 20200414131348.444715-16-hch@lst.de
State In Next
Commit 75a0e11adc402faa42182d88f15745ec292892f6
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Series
  • [01/29] x86/hyperv: use vmalloc_exec for the hypercall page
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Commit Message

Christoph Hellwig April 14, 2020, 1:13 p.m. UTC
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(-)

Patch
diff mbox series

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,