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authorChris Metcalf <cmetcalf@tilera.com>2012-03-29 21:56:18 +0200
committerChris Metcalf <cmetcalf@tilera.com>2012-04-02 18:13:25 +0200
commitbfffe79bc29a9c4c817d5f51590961220e26db1a (patch)
treed129fb6ccc7f28767b23e06554778f0998bced2f /arch
parentarch/tile: fix up locking in pgtable.c slightly (diff)
downloadlinux-bfffe79bc29a9c4c817d5f51590961220e26db1a.tar.xz
linux-bfffe79bc29a9c4c817d5f51590961220e26db1a.zip
arch/tile: use proper memparse() for "maxmem" options
This is more standard and avoids having to remember what units the options actually take. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/tile/kernel/setup.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index 023e2e1cf7f8..f3598e7a47fa 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -103,13 +103,11 @@ unsigned long __initdata pci_reserve_end_pfn = -1U;
static int __init setup_maxmem(char *str)
{
- long maxmem_mb;
- if (str == NULL || strict_strtol(str, 0, &maxmem_mb) != 0 ||
- maxmem_mb == 0)
+ unsigned long long maxmem;
+ if (str == NULL || (maxmem = memparse(str, NULL)) == 0)
return -EINVAL;
- maxmem_pfn = (maxmem_mb >> (HPAGE_SHIFT - 20)) <<
- (HPAGE_SHIFT - PAGE_SHIFT);
+ maxmem_pfn = (maxmem >> HPAGE_SHIFT) << (HPAGE_SHIFT - PAGE_SHIFT);
pr_info("Forcing RAM used to no more than %dMB\n",
maxmem_pfn >> (20 - PAGE_SHIFT));
return 0;
@@ -119,14 +117,15 @@ early_param("maxmem", setup_maxmem);
static int __init setup_maxnodemem(char *str)
{
char *endp;
- long maxnodemem_mb, node;
+ unsigned long long maxnodemem;
+ long node;
node = str ? simple_strtoul(str, &endp, 0) : INT_MAX;
- if (node >= MAX_NUMNODES || *endp != ':' ||
- strict_strtol(endp+1, 0, &maxnodemem_mb) != 0)
+ if (node >= MAX_NUMNODES || *endp != ':')
return -EINVAL;
- maxnodemem_pfn[node] = (maxnodemem_mb >> (HPAGE_SHIFT - 20)) <<
+ maxnodemem = memparse(endp+1, NULL);
+ maxnodemem_pfn[node] = (maxnodemem >> HPAGE_SHIFT) <<
(HPAGE_SHIFT - PAGE_SHIFT);
pr_info("Forcing RAM used on node %ld to no more than %dMB\n",
node, maxnodemem_pfn[node] >> (20 - PAGE_SHIFT));