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| author |   Nicholas Piggin <npiggin@gmail.com> | 2021-04-29 22:58:43 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 11:20:40 -0700 |
| commit | 5e9e3d777b99aabe2f91f793a52e870a02642160 (patch) | |
| tree | 2d21073f813ee938da26db9e0678f6caae7e4a08 /include/linux/vmalloc.h | |
| parent | mm/vmalloc: provide fallback arch huge vmap support functions (diff) | |
| download | linux-dev-5e9e3d777b99aabe2f91f793a52e870a02642160.tar.xz linux-dev-5e9e3d777b99aabe2f91f793a52e870a02642160.zip | |
mm: move vmap_range from mm/ioremap.c to mm/vmalloc.c
This is a generic kernel virtual memory mapper, not specific to ioremap.
Code is unchanged other than making vmap_range non-static.
Link: https://lkml.kernel.org/r/20210317062402.533919-12-npiggin@gmail.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Ding Tianhong <dingtianhong@huawei.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/vmalloc.h')
| -rw-r--r-- | include/linux/vmalloc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index eb5630be6783..ae9eb07d30d4 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -189,6 +189,9 @@ extern struct vm_struct *remove_vm_area(const void *addr); extern struct vm_struct *find_vm_area(const void *addr); #ifdef CONFIG_MMU +int vmap_range(unsigned long addr, unsigned long end, + phys_addr_t phys_addr, pgprot_t prot, + unsigned int max_page_shift); 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, |