Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
52 lines
981 B
C
52 lines
981 B
C
// SPDX-License-Identifier: GPL-2.0-only
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/export.h>
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#include <linux/mm.h>
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#include <linux/vmalloc.h>
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#include <linux/slab.h>
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#include <linux/sizes.h>
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#include <linux/io.h>
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#include <asm/page.h>
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#ifdef CONFIG_MIPS
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#include <asm/bootinfo.h>
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#endif
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struct foo {
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unsigned int bar;
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};
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static struct foo *foo;
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static int __init test_debug_virtual_init(void)
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{
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phys_addr_t pa;
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void *va;
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va = (void *)VMALLOC_START;
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pa = virt_to_phys(va);
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pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
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foo = kzalloc(sizeof(*foo), GFP_KERNEL);
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if (!foo)
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return -ENOMEM;
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pa = virt_to_phys(foo);
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va = foo;
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pr_info("PA: %pa for VA: 0x%lx\n", &pa, (unsigned long)va);
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return 0;
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}
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module_init(test_debug_virtual_init);
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static void __exit test_debug_virtual_exit(void)
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{
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kfree(foo);
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}
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module_exit(test_debug_virtual_exit);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("Test module for CONFIG_DEBUG_VIRTUAL");
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