Messages in this thread | | | Subject | Re: [PATCH v2 4/6] ARM: change vmalloc_start to vmalloc_size | From | "Xu, Yanfei" <> | Date | Fri, 28 May 2021 21:15:27 +0800 |
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On 5/28/21 6:11 PM, Russell King (Oracle) wrote: > [Please note: This e-mail is from an EXTERNAL e-mail address] > > 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. > > Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Yanfei Xu <yanfei.xu@windriver.com>
Regards, Yanfei > --- > arch/arm/mm/mmu.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c > index ed2846bdb1f4..5ae11e6f2a58 100644 > --- a/arch/arm/mm/mmu.c > +++ b/arch/arm/mm/mmu.c > @@ -1123,7 +1123,7 @@ 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' > @@ -1148,7 +1148,7 @@ 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); > @@ -1168,7 +1168,7 @@ 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; > > /* > -- > 2.20.1 >
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