Le 21/08/2020 à 06:44, Nicholas Piggin a écrit :
This is a generic kernel virtual memory mapper, not specific to ioremap.
Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx>
---
include/linux/vmalloc.h | 2 +
mm/ioremap.c | 192 ----------------------------------------
mm/vmalloc.c | 191 +++++++++++++++++++++++++++++++++++++++
3 files changed, 193 insertions(+), 192 deletions(-)
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index 787d77ad7536..e3590e93bfff 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -181,6 +181,8 @@ extern struct vm_struct *remove_vm_area(const void *addr);
extern struct vm_struct *find_vm_area(const void *addr);
#ifdef CONFIG_MMU
+extern int vmap_range(unsigned long addr, unsigned long end, phys_addr_t phys_addr, pgprot_t prot,
+ unsigned int max_page_shift);
extern keyword is useless on function prototypes and deprecated. Please
don't add new function prototypes with that keyword.
extern int map_kernel_range_noflush(unsigned long start, unsigned long size,
pgprot_t prot, struct page **pages);
int map_kernel_range(unsigned long start, unsigned long size, pgprot_t prot,
Christophe
