The patch titled
vmalloc.c: fix flushing in vmap_page_range()
has been added to the -mm tree. Its filename is
vmallocc-fix-flushing-in-vmap_page_range.patch
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------------------------------------------------------
Subject: vmalloc.c: fix flushing in vmap_page_range()
From: Adam Lackorzynski <adam@xxxxxxxxxxxxxxxxxxxx>
The flush_cache_vmap in vmap_page_range() is called with the end of the
range twice. The following patch fixes this for me.
Signed-off-by: Adam Lackorzynski <adam@xxxxxxxxxxxxxxxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmalloc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN mm/vmalloc.c~vmallocc-fix-flushing-in-vmap_page_range mm/vmalloc.c
--- a/mm/vmalloc.c~vmallocc-fix-flushing-in-vmap_page_range
+++ a/mm/vmalloc.c
@@ -151,11 +151,12 @@ static int vmap_pud_range(pgd_t *pgd, un
*
* Ie. pte at addr+N*PAGE_SIZE shall point to pfn corresponding to pages[N]
*/
-static int vmap_page_range(unsigned long addr, unsigned long end,
+static int vmap_page_range(unsigned long start_addr, unsigned long end,
pgprot_t prot, struct page **pages)
{
pgd_t *pgd;
unsigned long next;
+ unsigned long addr = start_addr;
int err = 0;
int nr = 0;
@@ -167,7 +168,7 @@ static int vmap_page_range(unsigned long
if (err)
break;
} while (pgd++, addr = next, addr != end);
- flush_cache_vmap(addr, end);
+ flush_cache_vmap(start_addr, end);
if (unlikely(err))
return err;
_
Patches currently in -mm which might be from adam@xxxxxxxxxxxxxxxxxxxx are
vmallocc-fix-flushing-in-vmap_page_range.patch
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