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ARM: change vmalloc_start to vmalloc_size

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Rather than storing the start of vmalloc space, store the size, and
move the calculation into adjust_lowmem_limit(). We now have one single
place where this calculation takes place.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Yanfei Xu <yanfei.xu@windriver.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King (Oracle) 2021-05-18 12:58:34 +01:00
parent f572f5cb39
commit 4c1b7a7616
1 changed files with 3 additions and 3 deletions
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6
arch/arm/mm/mmu.c
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@ -1121,7 +1121,7 @@ void __init debug_ll_io_init(void)
}
#endif
static unsigned long __initdata vmalloc_start = VMALLOC_END - (240 << 20);
static unsigned long __initdata vmalloc_size = 240 << 20;
/*
* vmalloc=size forces the vmalloc area to be exactly 'size'
@ -1146,7 +1146,7 @@ static int __init early_vmalloc(char *arg)
vmalloc_reserve >> 20);
}
vmalloc_start = VMALLOC_END - vmalloc_reserve;
vmalloc_size = vmalloc_reserve;
return 0;
}
early_param("vmalloc", early_vmalloc);
@ -1166,7 +1166,7 @@ void __init adjust_lowmem_bounds(void)
* and may itself be outside the valid range for which phys_addr_t
* and therefore __pa() is defined.
*/
vmalloc_limit = (u64)vmalloc_start - VMALLOC_OFFSET -
vmalloc_limit = (u64)VMALLOC_END - vmalloc_size - VMALLOC_OFFSET -
PAGE_OFFSET + PHYS_OFFSET;
/*