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 1/4] ARM: change vmalloc_min to be unsigned long Date: Tue, 18 May 2021 13:15:40 +0100 [thread overview] Message-ID: <E1liydQ-0004Po-2c@rmk-PC.armlinux.org.uk> (raw) In-Reply-To: <20210518120633.GW12395@shell.armlinux.org.uk> vmalloc_min is currently a void pointer, but everywhere its used contains a cast - either to a void pointer when setting or back to an integer type when being used. Eliminate these casts by changing its type to unsigned long. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> --- arch/arm/mm/mmu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index c06ebfbc48c4..206c345f063e 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1123,8 +1123,8 @@ void __init debug_ll_io_init(void) } #endif -static void * __initdata vmalloc_min = - (void *)(VMALLOC_END - (240 << 20) - VMALLOC_OFFSET); +static unsigned long __initdata vmalloc_min = + VMALLOC_END - (240 << 20) - VMALLOC_OFFSET; /* * vmalloc=size forces the vmalloc area to be exactly 'size' @@ -1147,7 +1147,7 @@ static int __init early_vmalloc(char *arg) vmalloc_reserve >> 20); } - vmalloc_min = (void *)(VMALLOC_END - vmalloc_reserve); + vmalloc_min = VMALLOC_END - vmalloc_reserve; return 0; } early_param("vmalloc", early_vmalloc); @@ -1167,7 +1167,7 @@ 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)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET; + vmalloc_limit = (u64)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET; /* * The first usable region must be PMD aligned. Mark its start -- 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 1/4] ARM: change vmalloc_min to be unsigned long Date: Tue, 18 May 2021 13:15:40 +0100 [thread overview] Message-ID: <E1liydQ-0004Po-2c@rmk-PC.armlinux.org.uk> (raw) In-Reply-To: <20210518120633.GW12395@shell.armlinux.org.uk> vmalloc_min is currently a void pointer, but everywhere its used contains a cast - either to a void pointer when setting or back to an integer type when being used. Eliminate these casts by changing its type to unsigned long. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> --- arch/arm/mm/mmu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index c06ebfbc48c4..206c345f063e 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1123,8 +1123,8 @@ void __init debug_ll_io_init(void) } #endif -static void * __initdata vmalloc_min = - (void *)(VMALLOC_END - (240 << 20) - VMALLOC_OFFSET); +static unsigned long __initdata vmalloc_min = + VMALLOC_END - (240 << 20) - VMALLOC_OFFSET; /* * vmalloc=size forces the vmalloc area to be exactly 'size' @@ -1147,7 +1147,7 @@ static int __init early_vmalloc(char *arg) vmalloc_reserve >> 20); } - vmalloc_min = (void *)(VMALLOC_END - vmalloc_reserve); + vmalloc_min = VMALLOC_END - vmalloc_reserve; return 0; } early_param("vmalloc", early_vmalloc); @@ -1167,7 +1167,7 @@ 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)(uintptr_t)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET; + vmalloc_limit = (u64)vmalloc_min - PAGE_OFFSET + PHYS_OFFSET; /* * The first usable region must be PMD aligned. Mark its start -- 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:[~2021-05-18 12:15 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 ` Russell King (Oracle) [this message] 2021-05-18 12:15 ` [PATCH 1/4] ARM: change vmalloc_min to be unsigned long 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 ` [PATCH v2 4/6] ARM: change vmalloc_start to vmalloc_size Russell King (Oracle) 2021-05-28 10:11 ` 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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