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| author |   AKASHI Takahiro <takahiro.akashi@linaro.org> | 2017-04-03 11:23:54 +0900 |
|---|---|---|
| committer |   Catalin Marinas <catalin.marinas@arm.com> | 2017-04-05 18:26:46 +0100 |
| commit | 4c546b8a34690ca858e50f2017b8bb6e358365d1 (patch) | |
| tree | 538554955b542d534790f0aa96ff8c101baeb444 /include/linux/memblock.h | |
| parent | Merge branch 'arm64/common-sysreg' of git://git.kernel.org/pub/scm/linux/kernel/git/mark/linux into for-next/core (diff) | |
| download | wireguard-linux-4c546b8a34690ca858e50f2017b8bb6e358365d1.tar.xz wireguard-linux-4c546b8a34690ca858e50f2017b8bb6e358365d1.zip | |
memblock: add memblock_clear_nomap()
This function, with a combination of memblock_mark_nomap(), will be used
in a later kdump patch for arm64 when it temporarily isolates some range
of memory from the other memory blocks in order to create a specific
kernel mapping at boot time.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'include/linux/memblock.h')
| -rw-r--r-- | include/linux/memblock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/memblock.h b/include/linux/memblock.h index bdfc65af4152..e82daffcfc44 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -93,6 +93,7 @@ int memblock_mark_hotplug(phys_addr_t base, phys_addr_t size); int memblock_clear_hotplug(phys_addr_t base, phys_addr_t size); int memblock_mark_mirror(phys_addr_t base, phys_addr_t size); int memblock_mark_nomap(phys_addr_t base, phys_addr_t size); +int memblock_clear_nomap(phys_addr_t base, phys_addr_t size); ulong choose_memblock_flags(void); /* Low level functions */ |