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authorLinus Torvalds <torvalds@linux-foundation.org>2018-10-24 14:42:02 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-24 14:42:02 +0100
commit08ffb584d9eb17940321317ef6c9c7383ad4f149 (patch)
tree8381cf601c6cc10e364b41902ed2ff41520eac72 /fs/pstore/ram.c
parent638820d8da8ededd6dc609beaef02d5396599c03 (diff)
parent1227daa43bce1318ff6fb54e6cd862b4f60245c7 (diff)
Merge tag 'pstore-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook: "pstore improvements: - refactor init to happen as early as possible again (Joel Fernandes) - improve resource reservation names" * tag 'pstore-v4.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore/ram: Clarify resource reservation labels pstore: Refactor compression initialization pstore: Allocate compression during late_initcall() pstore: Centralize init/exit routines
Diffstat (limited to 'fs/pstore/ram.c')
-rw-r--r--fs/pstore/ram.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index f4fd2e72add4..ffcff6516e89 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -587,9 +587,16 @@ static int ramoops_init_przs(const char *name,
goto fail;
for (i = 0; i < *cnt; i++) {
+ char *label;
+
+ if (*cnt == 1)
+ label = kasprintf(GFP_KERNEL, "ramoops:%s", name);
+ else
+ label = kasprintf(GFP_KERNEL, "ramoops:%s(%d/%d)",
+ name, i, *cnt - 1);
prz_ar[i] = persistent_ram_new(*paddr, zone_sz, sig,
- &cxt->ecc_info,
- cxt->memtype, flags);
+ &cxt->ecc_info,
+ cxt->memtype, flags, label);
if (IS_ERR(prz_ar[i])) {
err = PTR_ERR(prz_ar[i]);
dev_err(dev, "failed to request %s mem region (0x%zx@0x%llx): %d\n",
@@ -619,6 +626,8 @@ static int ramoops_init_prz(const char *name,
struct persistent_ram_zone **prz,
phys_addr_t *paddr, size_t sz, u32 sig)
{
+ char *label;
+
if (!sz)
return 0;
@@ -629,8 +638,9 @@ static int ramoops_init_prz(const char *name,
return -ENOMEM;
}
+ label = kasprintf(GFP_KERNEL, "ramoops:%s", name);
*prz = persistent_ram_new(*paddr, sz, sig, &cxt->ecc_info,
- cxt->memtype, 0);
+ cxt->memtype, 0, label);
if (IS_ERR(*prz)) {
int err = PTR_ERR(*prz);
@@ -962,7 +972,7 @@ static int __init ramoops_init(void)
return ret;
}
-late_initcall(ramoops_init);
+postcore_initcall(ramoops_init);
static void __exit ramoops_exit(void)
{