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x86/boot/e820: Use <linux/sizes.h> symbols for literals

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Use the human-readable SZ_* constants.

Suggested-by: Nikolay Borisov <nik.borisov@suse.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://patch.msgid.link/92a15c2d-055c-4f4e-b232-32030a8e5e54@suse.com
This commit is contained in:
Ingo Molnar 2025-12-14 09:22:37 +01:00
parent 0d9daff414
commit 6c08d768a5
1 changed files with 3 additions and 3 deletions
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6
arch/x86/kernel/e820.c
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@ -617,7 +617,7 @@ __init static void e820__update_table_kexec(void)
e820__update_table(e820_table_kexec);
}
#define MAX_GAP_END 0x100000000ull
#define MAX_GAP_END SZ_4G
/*
* Search for a gap in the E820 memory space from 0 to MAX_GAP_END (4GB).
@ -696,7 +696,7 @@ __init void e820__setup_pci_gap(void)
pr_err("Cannot find an available gap in the 32-bit address range\n");
pr_err("PCI devices with unassigned 32-bit BARs may not work!\n");
#else
max_gap_start = 0x10000000;
max_gap_start = SZ_256M;
#endif
}
@ -1080,7 +1080,7 @@ __initdata static struct resource *e820_res;
__init static bool e820_device_region(enum e820_type type, struct resource *res)
{
/* This is the legacy BIOS/DOS ROM-shadow + MMIO region: */
if (res->start < (1ULL<<20))
if (res->start < SZ_1M)
return false;
/*