diff options
| author | David Hildenbrand <david@redhat.com> | 2024-12-04 13:54:37 +0100 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2025-01-27 15:39:11 +0100 |
| commit | e017b1f4aa4eb887ee85fe13862206c0d31344b4 (patch) | |
| tree | 4a0f76f89f65726825687e71f8be0f440c38556e /fs | |
| parent | fs/proc/vmcore: move vmcore definitions out of kcore.h (diff) | |
| download | linux-e017b1f4aa4eb887ee85fe13862206c0d31344b4.tar.xz linux-e017b1f4aa4eb887ee85fe13862206c0d31344b4.zip | |
fs/proc/vmcore: factor out allocating a vmcore range and adding it to a list
Let's factor it out into include/linux/crash_dump.h, from where we can
use it also outside of vmcore.c later.
Acked-by: Baoquan He <bhe@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20241204125444.1734652-7-david@redhat.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/proc/vmcore.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c index c081b130aba3..7ad94fa7a2af 100644 --- a/fs/proc/vmcore.c +++ b/fs/proc/vmcore.c @@ -709,11 +709,6 @@ static const struct proc_ops vmcore_proc_ops = { .proc_mmap = mmap_vmcore, }; -static struct vmcore_range * __init get_new_element(void) -{ - return kzalloc(sizeof(struct vmcore_range), GFP_KERNEL); -} - static u64 get_vmcore_size(size_t elfsz, size_t elfnotesegsz, struct list_head *vc_list) { @@ -1116,7 +1111,6 @@ static int __init process_ptload_program_headers_elf64(char *elfptr, size_t elfnotes_sz, struct list_head *vc_list) { - struct vmcore_range *new; int i; Elf64_Ehdr *ehdr_ptr; Elf64_Phdr *phdr_ptr; @@ -1139,13 +1133,8 @@ static int __init process_ptload_program_headers_elf64(char *elfptr, end = roundup(paddr + phdr_ptr->p_memsz, PAGE_SIZE); size = end - start; - /* Add this contiguous chunk of memory to vmcore list.*/ - new = get_new_element(); - if (!new) + if (vmcore_alloc_add_range(vc_list, start, size)) return -ENOMEM; - new->paddr = start; - new->size = size; - list_add_tail(&new->list, vc_list); /* Update the program header offset. */ phdr_ptr->p_offset = vmcore_off + (paddr - start); @@ -1159,7 +1148,6 @@ static int __init process_ptload_program_headers_elf32(char *elfptr, size_t elfnotes_sz, struct list_head *vc_list) { - struct vmcore_range *new; int i; Elf32_Ehdr *ehdr_ptr; Elf32_Phdr *phdr_ptr; @@ -1182,13 +1170,8 @@ static int __init process_ptload_program_headers_elf32(char *elfptr, end = roundup(paddr + phdr_ptr->p_memsz, PAGE_SIZE); size = end - start; - /* Add this contiguous chunk of memory to vmcore list.*/ - new = get_new_element(); - if (!new) + if (vmcore_alloc_add_range(vc_list, start, size)) return -ENOMEM; - new->paddr = start; - new->size = size; - list_add_tail(&new->list, vc_list); /* Update the program header offset */ phdr_ptr->p_offset = vmcore_off + (paddr - start); |