Hello.
cmdline_parse_kernelcore() should return the next pointer of boot option
like memparse() doing. If not, it is cause of eternal loop on ia64 box.
This patch is for 2.6.21-rc6-mm1.
Signed-off-by: Yasunori Goto <[email protected]>
----
arch/ia64/kernel/efi.c | 2 +-
include/linux/mm.h | 2 +-
mm/page_alloc.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
Index: current_test/arch/ia64/kernel/efi.c
===================================================================
--- current_test.orig/arch/ia64/kernel/efi.c 2007-04-12 17:33:28.000000000 +0900
+++ current_test/arch/ia64/kernel/efi.c 2007-04-13 12:13:21.000000000 +0900
@@ -424,7 +424,7 @@ efi_init (void)
} else if (memcmp(cp, "max_addr=", 9) == 0) {
max_addr = GRANULEROUNDDOWN(memparse(cp + 9, &cp));
} else if (memcmp(cp, "kernelcore=",11) == 0) {
- cmdline_parse_kernelcore(cp+11);
+ cmdline_parse_kernelcore(cp+11, &cp);
} else if (memcmp(cp, "min_addr=", 9) == 0) {
min_addr = GRANULEROUNDDOWN(memparse(cp + 9, &cp));
} else {
Index: current_test/mm/page_alloc.c
===================================================================
--- current_test.orig/mm/page_alloc.c 2007-04-12 18:25:37.000000000 +0900
+++ current_test/mm/page_alloc.c 2007-04-13 12:12:58.000000000 +0900
@@ -3736,13 +3736,13 @@ void __init free_area_init_nodes(unsigne
* kernelcore=size sets the amount of memory for use for allocations that
* cannot be reclaimed or migrated.
*/
-int __init cmdline_parse_kernelcore(char *p)
+int __init cmdline_parse_kernelcore(char *p, char **retp)
{
unsigned long long coremem;
if (!p)
return -EINVAL;
- coremem = memparse(p, &p);
+ coremem = memparse(p, retp);
required_kernelcore = coremem >> PAGE_SHIFT;
/* Paranoid check that UL is enough for required_kernelcore */
Index: current_test/include/linux/mm.h
===================================================================
--- current_test.orig/include/linux/mm.h 2007-04-11 14:15:33.000000000 +0900
+++ current_test/include/linux/mm.h 2007-04-13 12:12:20.000000000 +0900
@@ -1051,7 +1051,7 @@ extern unsigned long find_max_pfn_with_a
extern void free_bootmem_with_active_regions(int nid,
unsigned long max_low_pfn);
extern void sparse_memory_present_with_active_regions(int nid);
-extern int cmdline_parse_kernelcore(char *p);
+extern int cmdline_parse_kernelcore(char *p, char **retp);
#ifndef CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID
extern int early_pfn_to_nid(unsigned long pfn);
#endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */
--
Yasunori Goto
-
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