From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> To: Yanfei Xu <yanfei.xu@windriver.com> Cc: rppt@kernel.org, ardb@kernel.org, linus.walleij@linaro.org, akpm@linux-foundation.org, carver4lio@163.com, tiantao6@hisilicon.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 4/6] ARM: change vmalloc_start to vmalloc_size Date: Fri, 28 May 2021 11:11:47 +0100 [thread overview] Message-ID: <E1lmZT1-0005Te-4i@rmk-PC.armlinux.org.uk> (raw) In-Reply-To: <20210518120633.GW12395@shell.armlinux.org.uk> 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> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk> To: Yanfei Xu <yanfei.xu@windriver.com> Cc: rppt@kernel.org, ardb@kernel.org, linus.walleij@linaro.org, akpm@linux-foundation.org, carver4lio@163.com, tiantao6@hisilicon.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 4/6] ARM: change vmalloc_start to vmalloc_size Date: Fri, 28 May 2021 11:11:47 +0100 [thread overview] Message-ID: <E1lmZT1-0005Te-4i@rmk-PC.armlinux.org.uk> (raw) In-Reply-To: <20210518120633.GW12395@shell.armlinux.org.uk> 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> --- 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-05-28 10:11 UTC|newest] Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-18 11:12 [PATCH] arm: make the size of vmalloc in cmdline and meminfo uniform Yanfei Xu 2021-05-18 11:12 ` Yanfei Xu 2021-05-18 11:29 ` Russell King (Oracle) 2021-05-18 11:29 ` Russell King (Oracle) 2021-05-18 12:06 ` Russell King (Oracle) 2021-05-18 12:06 ` Russell King (Oracle) 2021-05-18 12:15 ` [PATCH 1/4] ARM: change vmalloc_min to be unsigned long Russell King (Oracle) 2021-05-18 12:15 ` Russell King (Oracle) 2021-05-18 22:09 ` Linus Walleij 2021-05-18 22:09 ` Linus Walleij 2021-05-18 12:15 ` [PATCH 2/4] ARM: use a temporary variable to hold maximum vmalloc size Russell King (Oracle) 2021-05-18 12:15 ` Russell King (Oracle) 2021-05-18 22:11 ` Linus Walleij 2021-05-18 22:11 ` Linus Walleij 2021-05-18 12:15 ` [PATCH 3/4] ARM: change vmalloc_min to vmalloc_start Russell King (Oracle) 2021-05-18 12:15 ` Russell King (Oracle) 2021-05-18 22:19 ` Linus Walleij 2021-05-18 22:19 ` Linus Walleij 2021-05-18 22:26 ` Nicolas Pitre 2021-05-18 22:26 ` Nicolas Pitre 2021-05-18 22:32 ` Nicolas Pitre 2021-05-18 22:32 ` Nicolas Pitre 2021-05-18 22:34 ` Linus Walleij 2021-05-18 22:34 ` Linus Walleij 2021-05-18 22:38 ` Nicolas Pitre 2021-05-18 22:38 ` Nicolas Pitre 2021-05-28 9:55 ` Russell King (Oracle) 2021-05-28 9:55 ` Russell King (Oracle) 2021-05-19 4:41 ` Xu, Yanfei 2021-05-19 4:41 ` Xu, Yanfei 2021-05-20 9:00 ` Russell King (Oracle) 2021-05-20 9:00 ` Russell King (Oracle) 2021-05-28 2:52 ` Xu, Yanfei 2021-05-28 2:52 ` Xu, Yanfei 2021-05-28 10:00 ` Russell King (Oracle) 2021-05-28 10:00 ` Russell King (Oracle) 2021-05-19 5:25 ` Xu, Yanfei 2021-05-19 5:25 ` Xu, Yanfei 2021-05-18 12:15 ` [PATCH 4/4] ARM: change vmalloc_start to vmalloc_size Russell King (Oracle) 2021-05-18 12:15 ` Russell King (Oracle) 2021-05-18 22:21 ` Linus Walleij 2021-05-18 22:21 ` Linus Walleij 2021-05-19 4:39 ` [PATCH] arm: make the size of vmalloc in cmdline and meminfo uniform Xu, Yanfei 2021-05-19 4:39 ` Xu, Yanfei 2021-05-19 5:32 ` Xu, Yanfei 2021-05-19 5:32 ` Xu, Yanfei 2021-05-20 4:52 ` Alexander Dahl 2021-05-20 4:52 ` Alexander Dahl 2021-05-20 6:50 ` Xu, Yanfei 2021-05-20 6:50 ` Xu, Yanfei 2021-05-28 10:11 ` [PATCH v2 1/6] ARM: change vmalloc_min to be unsigned long Russell King (Oracle) 2021-05-28 10:11 ` Russell King (Oracle) 2021-05-28 13:10 ` Xu, Yanfei 2021-05-28 13:10 ` Xu, Yanfei 2021-05-28 10:11 ` [PATCH v2 2/6] ARM: use a temporary variable to hold maximum vmalloc size Russell King (Oracle) 2021-05-28 10:11 ` Russell King (Oracle) 2021-05-28 13:11 ` Xu, Yanfei 2021-05-28 13:11 ` Xu, Yanfei 2021-05-28 10:11 ` [PATCH v2 3/6] ARM: change vmalloc_min to vmalloc_start Russell King (Oracle) 2021-05-28 10:11 ` Russell King (Oracle) 2021-05-28 12:21 ` Linus Walleij 2021-05-28 12:21 ` Linus Walleij 2021-05-28 13:05 ` Xu, Yanfei 2021-05-28 13:05 ` Xu, Yanfei 2021-05-28 10:11 ` Russell King (Oracle) [this message] 2021-05-28 10:11 ` [PATCH v2 4/6] ARM: change vmalloc_start to vmalloc_size Russell King (Oracle) 2021-05-28 12:22 ` Linus Walleij 2021-05-28 12:22 ` Linus Walleij 2021-05-28 13:15 ` Xu, Yanfei 2021-05-28 13:15 ` Xu, Yanfei 2021-05-28 10:11 ` [PATCH v2 5/6] ARM: use "* SZ_1M" rather than "<< 20" Russell King (Oracle) 2021-05-28 10:11 ` Russell King (Oracle) 2021-05-28 12:23 ` Linus Walleij 2021-05-28 12:23 ` Linus Walleij 2021-05-28 13:17 ` Xu, Yanfei 2021-05-28 13:17 ` Xu, Yanfei 2021-05-28 10:11 ` [PATCH v2 6/6] ARM: use MiB for vmalloc sizes Russell King (Oracle) 2021-05-28 10:11 ` Russell King (Oracle) 2021-05-28 12:24 ` Linus Walleij 2021-05-28 12:24 ` Linus Walleij 2021-05-28 13:20 ` Xu, Yanfei 2021-05-28 13:20 ` Xu, Yanfei
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