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| author | Florian Fainelli <f.fainelli@gmail.com> | 2017-04-27 20:19:01 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2017-05-11 15:43:31 +0200 |
| commit | 75d24d968af8913f641c612930c96acc5399e427 (patch) | |
| tree | 7ee4ac5253fbc529eb11b7a233d94e69f6bf417a | |
| parent | mm: Silence vmap() allocation failures based on caller gfp_flags (diff) | |
| download | linux-75d24d968af8913f641c612930c96acc5399e427.tar.xz linux-75d24d968af8913f641c612930c96acc5399e427.zip | |
ARM: Silence first allocation with CONFIG_ARM_MODULE_PLTS=y
When CONFIG_ARM_MODULE_PLTS is enabled, the first allocation using the
module space fails, because the module is too big, and then the module
allocation is attempted from vmalloc space. Silence the first allocation
failure in that case by setting __GFP_NOWARN.
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
| -rw-r--r-- | arch/arm/kernel/module.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 80254b47dc34..3ff571c2c71c 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -40,8 +40,15 @@ #ifdef CONFIG_MMU void *module_alloc(unsigned long size) { - void *p = __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, - GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, + gfp_t gfp_mask = GFP_KERNEL; + void *p; + + /* Silence the initial allocation */ + if (IS_ENABLED(CONFIG_ARM_MODULE_PLTS)) + gfp_mask |= __GFP_NOWARN; + + p = __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, + gfp_mask, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, __builtin_return_address(0)); if (!IS_ENABLED(CONFIG_ARM_MODULE_PLTS) || p) return p; |