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x86/boot/e820: Simplify & clarify __e820__range_add() a bit

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Use 'entry_new' to make clear we are allocating a new entry.

Change the table-full message to say that the table is full.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H . Peter Anvin <hpa@zytor.com>
Cc: Andy Shevchenko <andy@kernel.org>
Cc: Arnd Bergmann <arnd@kernel.org>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Juergen Gross <jgross@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://patch.msgid.link/20250515120549.2820541-24-mingo@kernel.org
This commit is contained in:
Ingo Molnar 2025-05-15 14:05:39 +02:00
parent 95060e411f
commit 7df2f811b2
1 changed files with 7 additions and 4 deletions
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11
arch/x86/kernel/e820.c
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@ -165,16 +165,19 @@ int e820__get_entry_type(u64 start, u64 end)
static void __init __e820__range_add(struct e820_table *table, u64 start, u64 size, enum e820_type type)
{
u32 idx = table->nr_entries;
struct e820_entry *entry_new;
if (idx >= ARRAY_SIZE(table->entries)) {
pr_err("too many E820 table entries; ignoring [mem %#010llx-%#010llx]\n",
pr_err("E820 table full; ignoring [mem %#010llx-%#010llx]\n",
start, start + size-1);
return;
}
table->entries[idx].addr = start;
table->entries[idx].size = size;
table->entries[idx].type = type;
entry_new = table->entries + idx;
entry_new->addr = start;
entry_new->size = size;
entry_new->type = type;
table->nr_entries++;
}