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Commit fbcc212e authored by Susheel Khiani's avatar Susheel Khiani Committed by Kyle Yan
Browse files

ARM: mm: Adjust the low memory boundary 



The unused virtual address space in low memory is given to
vmalloc for use. This reduces the low memory space and
increases vmalloc space. Adjust the vmalloc_min in order
to increase the low memory.

Change-Id: I0dbef5b6e5ec3d19f5f93f06ed03a4cf1215dc4d
Signed-off-by: default avatarNeeti Desai <neetid@codeaurora.org>
Signed-off-by: default avatarSusheel Khiani <skhiani@codeaurora.org>
parent d2cb7549

arch/arm/mm/mmu.c

+13 −0
Original line number Diff line number Diff line
@@ -1116,6 +1116,19 @@ void __init sanity_check_meminfo(void) 
	struct memblock_region *reg;

	bool should_use_highmem = false;



#ifdef CONFIG_ENABLE_VMALLOC_SAVING

	struct memblock_region *prev_reg = NULL;



	for_each_memblock(memory, reg) {

		if (prev_reg == NULL) {

			prev_reg = reg;

			continue;

		}

		vmalloc_limit += reg->base - (prev_reg->base + prev_reg->size);

		prev_reg = reg;

	}

#endif



	for_each_memblock(memory, reg) {

		phys_addr_t block_start = reg->base;

		phys_addr_t block_end = reg->base + reg->size;