From c76f860c44357f560a763d2894e95464cab7b159 Mon Sep 17 00:00:00 2001 From: Ken'ichi Ohmichi Date: Thu, 7 Feb 2008 00:15:20 -0800 Subject: [PATCH] vmcoreinfo: rename vmcoreinfo's macros returning the size This patchset is for the vmcoreinfo data. The vmcoreinfo data has the minimum debugging information only for dump filtering. makedumpfile (dump filtering command) gets it to distinguish unnecessary pages, and makedumpfile creates a small dumpfile. This patch: VMCOREINFO_SIZE() should be renamed VMCOREINFO_STRUCT_SIZE() since it's always returning the size of the struct with a given name. This change would allow VMCOREINFO_TYPEDEF_SIZE() to simply become VMCOREINFO_SIZE() since it need not be used exclusively for typedefs. This discussion is the following: http://www.ussg.iu.edu/hypermail/linux/kernel/0709.3/0582.html Signed-off-by: Ken'ichi Ohmichi Acked-by: David Rientjes Acked-by: Simon Horman Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/ia64/kernel/machine_kexec.c | 2 +- include/linux/kexec.h | 6 +++--- kernel/kexec.c | 14 +++++++------- 3 files changed, 11 insertions(+), 11 deletions(-) diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c index d6cd45f4c6..6e725eff27 100644 --- a/arch/ia64/kernel/machine_kexec.c +++ b/arch/ia64/kernel/machine_kexec.c @@ -135,7 +135,7 @@ void arch_crash_save_vmcoreinfo(void) VMCOREINFO_SYMBOL(node_memblk); VMCOREINFO_LENGTH(node_memblk, NR_NODE_MEMBLKS); - VMCOREINFO_SIZE(node_memblk_s); + VMCOREINFO_STRUCT_SIZE(node_memblk_s); VMCOREINFO_OFFSET(node_memblk_s, start_paddr); VMCOREINFO_OFFSET(node_memblk_s, size); #endif diff --git a/include/linux/kexec.h b/include/linux/kexec.h index 2d9c448d8c..39112a0e46 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -130,11 +130,11 @@ unsigned long paddr_vmcoreinfo_note(void); #define VMCOREINFO_SYMBOL(name) \ vmcoreinfo_append_str("SYMBOL(%s)=%lx\n", #name, (unsigned long)&name) #define VMCOREINFO_SIZE(name) \ - vmcoreinfo_append_str("SIZE(%s)=%lu\n", #name, \ - (unsigned long)sizeof(struct name)) -#define VMCOREINFO_TYPEDEF_SIZE(name) \ vmcoreinfo_append_str("SIZE(%s)=%lu\n", #name, \ (unsigned long)sizeof(name)) +#define VMCOREINFO_STRUCT_SIZE(name) \ + vmcoreinfo_append_str("SIZE(%s)=%lu\n", #name, \ + (unsigned long)sizeof(struct name)) #define VMCOREINFO_OFFSET(name, field) \ vmcoreinfo_append_str("OFFSET(%s.%s)=%lu\n", #name, #field, \ (unsigned long)&(((struct name *)0)->field)) diff --git a/kernel/kexec.c b/kernel/kexec.c index 9a26eec9eb..8eb4df1cab 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1376,15 +1376,15 @@ static int __init crash_save_vmcoreinfo_init(void) #ifdef CONFIG_SPARSEMEM VMCOREINFO_SYMBOL(mem_section); VMCOREINFO_LENGTH(mem_section, NR_SECTION_ROOTS); - VMCOREINFO_SIZE(mem_section); + VMCOREINFO_STRUCT_SIZE(mem_section); VMCOREINFO_OFFSET(mem_section, section_mem_map); #endif - VMCOREINFO_SIZE(page); - VMCOREINFO_SIZE(pglist_data); - VMCOREINFO_SIZE(zone); - VMCOREINFO_SIZE(free_area); - VMCOREINFO_SIZE(list_head); - VMCOREINFO_TYPEDEF_SIZE(nodemask_t); + VMCOREINFO_STRUCT_SIZE(page); + VMCOREINFO_STRUCT_SIZE(pglist_data); + VMCOREINFO_STRUCT_SIZE(zone); + VMCOREINFO_STRUCT_SIZE(free_area); + VMCOREINFO_STRUCT_SIZE(list_head); + VMCOREINFO_SIZE(nodemask_t); VMCOREINFO_OFFSET(page, flags); VMCOREINFO_OFFSET(page, _count); VMCOREINFO_OFFSET(page, mapping); -- 2.20.1