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-rw-r--r--fs/pstore/inode.c2
-rw-r--r--fs/pstore/platform.c27
-rw-r--r--fs/pstore/ram.c11
-rw-r--r--fs/pstore/ram_core.c5
4 files changed, 24 insertions, 21 deletions
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index ffbadb8b3032..df7fb2ad4599 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -54,7 +54,7 @@ static void free_pstore_private(struct pstore_private *private)
if (!private)
return;
if (private->record) {
- kfree(private->record->buf);
+ kvfree(private->record->buf);
kfree(private->record->priv);
kfree(private->record);
}
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index aaa5e4e66db4..62356d542ef6 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -14,6 +14,7 @@
#include <linux/init.h>
#include <linux/kmsg_dump.h>
#include <linux/console.h>
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/pstore.h>
#include <linux/string.h>
@@ -215,7 +216,7 @@ static void allocate_buf_for_compression(void)
* uncompressed record size, since any record that would be expanded by
* compression is just stored uncompressed.
*/
- buf = kmalloc(psinfo->bufsize, GFP_KERNEL);
+ buf = kvzalloc(psinfo->bufsize, GFP_KERNEL);
if (!buf) {
pr_err("Failed %zu byte compression buffer allocation for: %s\n",
psinfo->bufsize, compress);
@@ -226,7 +227,7 @@ static void allocate_buf_for_compression(void)
vmalloc(zlib_deflate_workspacesize(MAX_WBITS, DEF_MEM_LEVEL));
if (!compress_workspace) {
pr_err("Failed to allocate zlib deflate workspace\n");
- kfree(buf);
+ kvfree(buf);
return;
}
@@ -243,7 +244,7 @@ static void free_buf_for_compression(void)
compress_workspace = NULL;
}
- kfree(big_oops_buf);
+ kvfree(big_oops_buf);
big_oops_buf = NULL;
}
@@ -421,7 +422,7 @@ static int pstore_write_user_compat(struct pstore_record *record,
if (record->buf)
return -EINVAL;
- record->buf = memdup_user(buf, record->size);
+ record->buf = vmemdup_user(buf, record->size);
if (IS_ERR(record->buf)) {
ret = PTR_ERR(record->buf);
goto out;
@@ -429,7 +430,7 @@ static int pstore_write_user_compat(struct pstore_record *record,
ret = record->psi->write(record);
- kfree(record->buf);
+ kvfree(record->buf);
out:
record->buf = NULL;
@@ -582,8 +583,8 @@ static void decompress_record(struct pstore_record *record,
}
/* Allocate enough space to hold max decompression and ECC. */
- workspace = kmalloc(psinfo->bufsize + record->ecc_notice_size,
- GFP_KERNEL);
+ workspace = kvzalloc(psinfo->bufsize + record->ecc_notice_size,
+ GFP_KERNEL);
if (!workspace)
return;
@@ -595,7 +596,7 @@ static void decompress_record(struct pstore_record *record,
ret = zlib_inflate(zstream, Z_FINISH);
if (ret != Z_STREAM_END) {
pr_err("zlib_inflate() failed, ret = %d!\n", ret);
- kfree(workspace);
+ kvfree(workspace);
return;
}
@@ -606,14 +607,14 @@ static void decompress_record(struct pstore_record *record,
record->ecc_notice_size);
/* Copy decompressed contents into an minimum-sized allocation. */
- unzipped = kmemdup(workspace, unzipped_len + record->ecc_notice_size,
- GFP_KERNEL);
- kfree(workspace);
+ unzipped = kvmemdup(workspace, unzipped_len + record->ecc_notice_size,
+ GFP_KERNEL);
+ kvfree(workspace);
if (!unzipped)
return;
/* Swap out compressed contents with decompressed contents. */
- kfree(record->buf);
+ kvfree(record->buf);
record->buf = unzipped;
record->size = unzipped_len;
record->compressed = false;
@@ -673,7 +674,7 @@ void pstore_get_backend_records(struct pstore_info *psi,
rc = pstore_mkfile(root, record);
if (rc) {
/* pstore_mkfile() did not take record, so free it. */
- kfree(record->buf);
+ kvfree(record->buf);
kfree(record->priv);
kfree(record);
if (rc != -EEXIST || !quiet)
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
index 2f625e1fa8d8..d36702c7ab3c 100644
--- a/fs/pstore/ram.c
+++ b/fs/pstore/ram.c
@@ -20,6 +20,7 @@
#include <linux/compiler.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/mm.h>
#include "internal.h"
#include "ram_internal.h"
@@ -268,7 +269,7 @@ static ssize_t ramoops_pstore_read(struct pstore_record *record)
/* ECC correction notice */
record->ecc_notice_size = persistent_ram_ecc_string(prz, NULL, 0);
- record->buf = kmalloc(size + record->ecc_notice_size + 1, GFP_KERNEL);
+ record->buf = kvzalloc(size + record->ecc_notice_size + 1, GFP_KERNEL);
if (record->buf == NULL) {
size = -ENOMEM;
goto out;
@@ -282,7 +283,7 @@ static ssize_t ramoops_pstore_read(struct pstore_record *record)
out:
if (free_prz) {
- kfree(prz->old_log);
+ kvfree(prz->old_log);
kfree(prz);
}
@@ -833,7 +834,7 @@ static int ramoops_probe(struct platform_device *pdev)
*/
if (cxt->pstore.flags & PSTORE_FLAGS_DMESG) {
cxt->pstore.bufsize = cxt->dprzs[0]->buffer_size;
- cxt->pstore.buf = kzalloc(cxt->pstore.bufsize, GFP_KERNEL);
+ cxt->pstore.buf = kvzalloc(cxt->pstore.bufsize, GFP_KERNEL);
if (!cxt->pstore.buf) {
pr_err("cannot allocate pstore crash dump buffer\n");
err = -ENOMEM;
@@ -866,7 +867,7 @@ static int ramoops_probe(struct platform_device *pdev)
return 0;
fail_buf:
- kfree(cxt->pstore.buf);
+ kvfree(cxt->pstore.buf);
fail_clear:
cxt->pstore.bufsize = 0;
fail_init:
@@ -881,7 +882,7 @@ static void ramoops_remove(struct platform_device *pdev)
pstore_unregister(&cxt->pstore);
- kfree(cxt->pstore.buf);
+ kvfree(cxt->pstore.buf);
cxt->pstore.bufsize = 0;
ramoops_free_przs(cxt);
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index eb6df190d752..0eb780b90281 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -17,6 +17,7 @@
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/vmalloc.h>
+#include <linux/mm.h>
#include <asm/page.h>
#include "ram_internal.h"
@@ -301,7 +302,7 @@ void persistent_ram_save_old(struct persistent_ram_zone *prz)
if (!prz->old_log) {
persistent_ram_ecc_old(prz);
- prz->old_log = kmalloc(size, GFP_KERNEL);
+ prz->old_log = kvzalloc(size, GFP_KERNEL);
}
if (!prz->old_log) {
pr_err("failed to allocate buffer\n");
@@ -385,7 +386,7 @@ void *persistent_ram_old(struct persistent_ram_zone *prz)
void persistent_ram_free_old(struct persistent_ram_zone *prz)
{
- kfree(prz->old_log);
+ kvfree(prz->old_log);
prz->old_log = NULL;
prz->old_log_size = 0;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-12 05:42:17 +0000