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[ARM] Allow gcc to optimise arm_add_memory a little more 

For some reason, gcc was calculating meminfo.bank[meminfo.nr_banks]
repeatedly.  Use a pointer to it instead.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2006-11-30 20:44:49 +00:00 committed by Russell King
parent b7dc96d753
commit 05f96ef118
1 changed files with 7 additions and 4 deletions
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11
arch/arm/kernel/setup.c
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@ -441,16 +441,19 @@ __early_param("initrd=", early_initrd);
static void __init arm_add_memory(unsigned long start, unsigned long size)
{
struct membank *bank;
/*
* Ensure that start/size are aligned to a page boundary.
* Size is appropriately rounded down, start is rounded up.
*/
size -= start & ~PAGE_MASK;
meminfo.bank[meminfo.nr_banks].start = PAGE_ALIGN(start);
meminfo.bank[meminfo.nr_banks].size = size & PAGE_MASK;
meminfo.bank[meminfo.nr_banks].node = PHYS_TO_NID(start);
meminfo.nr_banks += 1;
bank = &meminfo.bank[meminfo.nr_banks++];
bank->start = PAGE_ALIGN(start);
bank->size = size & PAGE_MASK;
bank->node = PHYS_TO_NID(start);
}
/*