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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-04-30 07:59:01 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 20:20:40 +0200 |
| commit | 4ad0ae8c64ac8f81a3651bca11be7c3cb086df80 (patch) | |
| tree | cfeb318f03b88d8b4f8d4a110b894c40a1be7ea4 /mm/internal.h | |
| parent | powerpc/xive: remove unnecessary unmap_kernel_range (diff) | |
| download | linux-4ad0ae8c64ac8f81a3651bca11be7c3cb086df80.tar.xz linux-4ad0ae8c64ac8f81a3651bca11be7c3cb086df80.zip | |
mm/vmalloc: remove unmap_kernel_range
This is a shim around vunmap_range, get rid of it.
Move the main API comment from the _noflush variant to the normal
variant, and make _noflush internal to mm/.
[npiggin@gmail.com: fix nommu builds and a comment bug per sfr]
Link: https://lkml.kernel.org/r/1617292598.m6g0knx24s.astroid@bobo.none
[akpm@linux-foundation.org: move vunmap_range_noflush() stub inside !CONFIG_MMU, not !CONFIG_NUMA]
[npiggin@gmail.com: fix nommu builds]
Link: https://lkml.kernel.org/r/1617292497.o1uhq5ipxp.astroid@bobo.none
Link: https://lkml.kernel.org/r/20210322021806.892164-5-npiggin@gmail.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Cédric Le Goater <clg@kaod.org>
Cc: Uladzislau Rezki <urezki@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/mm/internal.h b/mm/internal.h index 58c3757c52d9..42e30e71554a 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -446,7 +446,9 @@ static inline struct file *maybe_unlock_mmap_for_io(struct vm_fault *vmf, static inline void clear_page_mlock(struct page *page) { } static inline void mlock_vma_page(struct page *page) { } static inline void mlock_migrate_page(struct page *new, struct page *old) { } - +static inline void vunmap_range_noflush(unsigned long start, unsigned long end) +{ +} #endif /* !CONFIG_MMU */ /* @@ -640,7 +642,18 @@ struct migration_target_control { /* * mm/vmalloc.c */ +#ifdef CONFIG_MMU int vmap_pages_range_noflush(unsigned long addr, unsigned long end, pgprot_t prot, struct page **pages, unsigned int page_shift); +#else +static inline +int vmap_pages_range_noflush(unsigned long addr, unsigned long end, + pgprot_t prot, struct page **pages, unsigned int page_shift) +{ + return -EINVAL; +} +#endif + +void vunmap_range_noflush(unsigned long start, unsigned long end); #endif /* __MM_INTERNAL_H */ |