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authorNicholas Piggin <npiggin@gmail.com>2021-04-29 22:59:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-30 11:20:40 -0700
commit4ad0ae8c64ac8f81a3651bca11be7c3cb086df80 (patch)
treecfeb318f03b88d8b4f8d4a110b894c40a1be7ea4 /arch
parent94f88d7b901c28210d196f38168a548950dfc607 (diff)
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 'arch')
-rw-r--r--arch/arm64/mm/init.c2
-rw-r--r--arch/powerpc/kernel/isa-bridge.c4
-rw-r--r--arch/powerpc/kernel/pci_64.c2
-rw-r--r--arch/powerpc/mm/ioremap.c2
4 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 3685e12aba9b..470f92e6a542 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -521,7 +521,7 @@ void free_initmem(void)
* prevents the region from being reused for kernel modules, which
* is not supported by kallsyms.
*/
- unmap_kernel_range((u64)__init_begin, (u64)(__init_end - __init_begin));
+ vunmap_range((u64)__init_begin, (u64)__init_end);
}
void dump_mem_limit(void)
diff --git a/arch/powerpc/kernel/isa-bridge.c b/arch/powerpc/kernel/isa-bridge.c
index 2257d24e6a26..39c625737c09 100644
--- a/arch/powerpc/kernel/isa-bridge.c
+++ b/arch/powerpc/kernel/isa-bridge.c
@@ -48,7 +48,7 @@ static void remap_isa_base(phys_addr_t pa, unsigned long size)
if (slab_is_available()) {
if (ioremap_page_range(ISA_IO_BASE, ISA_IO_BASE + size, pa,
pgprot_noncached(PAGE_KERNEL)))
- unmap_kernel_range(ISA_IO_BASE, size);
+ vunmap_range(ISA_IO_BASE, ISA_IO_BASE + size);
} else {
early_ioremap_range(ISA_IO_BASE, pa, size,
pgprot_noncached(PAGE_KERNEL));
@@ -311,7 +311,7 @@ static void isa_bridge_remove(void)
isa_bridge_pcidev = NULL;
/* Unmap the ISA area */
- unmap_kernel_range(ISA_IO_BASE, 0x10000);
+ vunmap_range(ISA_IO_BASE, ISA_IO_BASE + 0x10000);
}
/**
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 9312e6eda7ff..3fb7e572abed 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -140,7 +140,7 @@ void __iomem *ioremap_phb(phys_addr_t paddr, unsigned long size)
addr = (unsigned long)area->addr;
if (ioremap_page_range(addr, addr + size, paddr,
pgprot_noncached(PAGE_KERNEL))) {
- unmap_kernel_range(addr, size);
+ vunmap_range(addr, addr + size);
return NULL;
}
diff --git a/arch/powerpc/mm/ioremap.c b/arch/powerpc/mm/ioremap.c
index b1a0aebe8c48..57342154d2b0 100644
--- a/arch/powerpc/mm/ioremap.c
+++ b/arch/powerpc/mm/ioremap.c
@@ -93,7 +93,7 @@ void __iomem *do_ioremap(phys_addr_t pa, phys_addr_t offset, unsigned long size,
if (!ret)
return (void __iomem *)area->addr + offset;
- unmap_kernel_range(va, size);
+ vunmap_range(va, va + size);
free_vm_area(area);
return NULL;