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Revert "arm64: account for sparsemem section alignment when choosing vmemmap offset" 

This reverts commit 36e5cd6b89, since the
section alignment is now guaranteed by construction when choosing the
value of memstart_addr.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Ard Biesheuvel 2016-03-30 14:25:48 +02:00 committed by Will Deacon
parent 06e9bf2fd9
commit 3bab79edc6
1 changed files with 2 additions and 3 deletions
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5
arch/arm64/include/asm/pgtable.h
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@ -32,14 +32,13 @@
* VMALLOC_END: extends to the available space below vmmemmap, PCI I/O space,
* fixed mappings and modules
*/
#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT)) * sizeof(struct page), PUD_SIZE)
#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT - 1)) * sizeof(struct page), PUD_SIZE)
#define VMALLOC_START (MODULES_END)
#define VMALLOC_END (PAGE_OFFSET - PUD_SIZE - VMEMMAP_SIZE - SZ_64K)
#define VMEMMAP_START (VMALLOC_END + SZ_64K)
#define vmemmap ((struct page *)VMEMMAP_START - \
SECTION_ALIGN_DOWN(memstart_addr >> PAGE_SHIFT))
#define vmemmap ((struct page *)VMEMMAP_START - (memstart_addr >> PAGE_SHIFT))
#define FIRST_USER_ADDRESS 0UL