AcoSail/kernel_optimize_test
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x86: use roundup() instead of PAGE_ALIGN() in find_early_table_space()

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Impact: cleanup

This patch changes find_early_table_space() to use roundup() for rounding up
tables to page size to unify the common parts of the 32-bit and 64-bit
implementations.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <1236077705.2675.6.camel@penberg-laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Pekka Enberg 2009-03-03 12:55:05 +02:00 committed by Ingo Molnar
parent 2b688dfd0a
commit fd578f9c0a
1 changed files with 4 additions and 4 deletions
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8
arch/x86/mm/init_32.c
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@ -845,10 +845,10 @@ static void __init find_early_table_space(unsigned long end, int use_pse)
unsigned long puds, pmds, ptes, tables, start;
puds = (end + PUD_SIZE - 1) >> PUD_SHIFT;
tables = PAGE_ALIGN(puds * sizeof(pud_t));
tables = roundup(puds * sizeof(pud_t), PAGE_SIZE);
pmds = (end + PMD_SIZE - 1) >> PMD_SHIFT;
tables += PAGE_ALIGN(pmds * sizeof(pmd_t));
tables += roundup(pmds * sizeof(pmd_t), PAGE_SIZE);
if (use_pse) {
unsigned long extra;
@ -859,10 +859,10 @@ static void __init find_early_table_space(unsigned long end, int use_pse)
} else
ptes = (end + PAGE_SIZE - 1) >> PAGE_SHIFT;
tables += PAGE_ALIGN(ptes * sizeof(pte_t));
tables += roundup(ptes * sizeof(pte_t), PAGE_SIZE);
/* for fixmap */
tables += PAGE_ALIGN(__end_of_fixed_addresses * sizeof(pte_t));
tables += roundup(__end_of_fixed_addresses * sizeof(pte_t), PAGE_SIZE);
/*
* RED-PEN putting page tables only on node 0 could