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-rw-r--r--drivers/base/memory.c22
-rw-r--r--drivers/block/zram/zcomp.c24
-rw-r--r--drivers/block/zram/zcomp.h2
-rw-r--r--drivers/block/zram/zcomp_lz4.c15
-rw-r--r--drivers/block/zram/zcomp_lzo.c15
-rw-r--r--drivers/staging/lustre/lustre/llite/super25.c3
6 files changed, 52 insertions, 29 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 25425d3f2575..619fe584a44c 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -450,8 +450,7 @@ memory_probe_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
u64 phys_addr;
- int nid;
- int i, ret;
+ int nid, ret;
unsigned long pages_per_block = PAGES_PER_SECTION * sections_per_block;
ret = kstrtoull(buf, 0, &phys_addr);
@@ -461,15 +460,12 @@ memory_probe_store(struct device *dev, struct device_attribute *attr,
if (phys_addr & ((pages_per_block << PAGE_SHIFT) - 1))
return -EINVAL;
- for (i = 0; i < sections_per_block; i++) {
- nid = memory_add_physaddr_to_nid(phys_addr);
- ret = add_memory(nid, phys_addr,
- PAGES_PER_SECTION << PAGE_SHIFT);
- if (ret)
- goto out;
+ nid = memory_add_physaddr_to_nid(phys_addr);
+ ret = add_memory(nid, phys_addr,
+ MIN_MEMORY_BLOCK_SIZE * sections_per_block);
- phys_addr += MIN_MEMORY_BLOCK_SIZE;
- }
+ if (ret)
+ goto out;
ret = count;
out:
@@ -618,7 +614,6 @@ static int init_memory_block(struct memory_block **memory,
base_memory_block_id(scn_nr) * sections_per_block;
mem->end_section_nr = mem->start_section_nr + sections_per_block - 1;
mem->state = state;
- mem->section_count++;
start_pfn = section_nr_to_pfn(mem->start_section_nr);
mem->phys_device = arch_get_memory_phys_device(start_pfn);
@@ -672,6 +667,7 @@ int register_new_memory(int nid, struct mem_section *section)
ret = init_memory_block(&mem, section, MEM_OFFLINE);
if (ret)
goto out;
+ mem->section_count++;
}
if (mem->section_count == sections_per_block)
@@ -692,7 +688,7 @@ unregister_memory(struct memory_block *memory)
device_unregister(&memory->dev);
}
-static int remove_memory_block(unsigned long node_id,
+static int remove_memory_section(unsigned long node_id,
struct mem_section *section, int phys_device)
{
struct memory_block *mem;
@@ -716,7 +712,7 @@ int unregister_memory_section(struct mem_section *section)
if (!present_section(section))
return -EINVAL;
- return remove_memory_block(0, section, 0);
+ return remove_memory_section(0, section, 0);
}
#endif /* CONFIG_MEMORY_HOTREMOVE */
diff --git a/drivers/block/zram/zcomp.c b/drivers/block/zram/zcomp.c
index 5cb13ca3a3ac..3ef42e563bb5 100644
--- a/drivers/block/zram/zcomp.c
+++ b/drivers/block/zram/zcomp.c
@@ -74,18 +74,18 @@ static void zcomp_strm_free(struct zcomp *comp, struct zcomp_strm *zstrm)
* allocate new zcomp_strm structure with ->private initialized by
* backend, return NULL on error
*/
-static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp)
+static struct zcomp_strm *zcomp_strm_alloc(struct zcomp *comp, gfp_t flags)
{
- struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), GFP_KERNEL);
+ struct zcomp_strm *zstrm = kmalloc(sizeof(*zstrm), flags);
if (!zstrm)
return NULL;
- zstrm->private = comp->backend->create();
+ zstrm->private = comp->backend->create(flags);
/*
* allocate 2 pages. 1 for compressed data, plus 1 extra for the
* case when compressed size is larger than the original one
*/
- zstrm->buffer = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, 1);
+ zstrm->buffer = (void *)__get_free_pages(flags | __GFP_ZERO, 1);
if (!zstrm->private || !zstrm->buffer) {
zcomp_strm_free(comp, zstrm);
zstrm = NULL;
@@ -120,8 +120,16 @@ static struct zcomp_strm *zcomp_strm_multi_find(struct zcomp *comp)
/* allocate new zstrm stream */
zs->avail_strm++;
spin_unlock(&zs->strm_lock);
-
- zstrm = zcomp_strm_alloc(comp);
+ /*
+ * This function can be called in swapout/fs write path
+ * so we can't use GFP_FS|IO. And it assumes we already
+ * have at least one stream in zram initialization so we
+ * don't do best effort to allocate more stream in here.
+ * A default stream will work well without further multiple
+ * streams. That's why we use NORETRY | NOWARN.
+ */
+ zstrm = zcomp_strm_alloc(comp, GFP_NOIO | __GFP_NORETRY |
+ __GFP_NOWARN);
if (!zstrm) {
spin_lock(&zs->strm_lock);
zs->avail_strm--;
@@ -209,7 +217,7 @@ static int zcomp_strm_multi_create(struct zcomp *comp, int max_strm)
zs->max_strm = max_strm;
zs->avail_strm = 1;
- zstrm = zcomp_strm_alloc(comp);
+ zstrm = zcomp_strm_alloc(comp, GFP_KERNEL);
if (!zstrm) {
kfree(zs);
return -ENOMEM;
@@ -259,7 +267,7 @@ static int zcomp_strm_single_create(struct zcomp *comp)
comp->stream = zs;
mutex_init(&zs->strm_lock);
- zs->zstrm = zcomp_strm_alloc(comp);
+ zs->zstrm = zcomp_strm_alloc(comp, GFP_KERNEL);
if (!zs->zstrm) {
kfree(zs);
return -ENOMEM;
diff --git a/drivers/block/zram/zcomp.h b/drivers/block/zram/zcomp.h
index 46e2b9f8f1f0..b7d2a4bcae54 100644
--- a/drivers/block/zram/zcomp.h
+++ b/drivers/block/zram/zcomp.h
@@ -33,7 +33,7 @@ struct zcomp_backend {
int (*decompress)(const unsigned char *src, size_t src_len,
unsigned char *dst);
- void *(*create)(void);
+ void *(*create)(gfp_t flags);
void (*destroy)(void *private);
const char *name;
diff --git a/drivers/block/zram/zcomp_lz4.c b/drivers/block/zram/zcomp_lz4.c
index f2afb7e988c3..0110086accba 100644
--- a/drivers/block/zram/zcomp_lz4.c
+++ b/drivers/block/zram/zcomp_lz4.c
@@ -10,17 +10,26 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lz4.h>
+#include <linux/vmalloc.h>
+#include <linux/mm.h>
#include "zcomp_lz4.h"
-static void *zcomp_lz4_create(void)
+static void *zcomp_lz4_create(gfp_t flags)
{
- return kzalloc(LZ4_MEM_COMPRESS, GFP_KERNEL);
+ void *ret;
+
+ ret = kmalloc(LZ4_MEM_COMPRESS, flags);
+ if (!ret)
+ ret = __vmalloc(LZ4_MEM_COMPRESS,
+ flags | __GFP_HIGHMEM,
+ PAGE_KERNEL);
+ return ret;
}
static void zcomp_lz4_destroy(void *private)
{
- kfree(private);
+ kvfree(private);
}
static int zcomp_lz4_compress(const unsigned char *src, unsigned char *dst,
diff --git a/drivers/block/zram/zcomp_lzo.c b/drivers/block/zram/zcomp_lzo.c
index da1bc47d588e..ed7a1f0549ec 100644
--- a/drivers/block/zram/zcomp_lzo.c
+++ b/drivers/block/zram/zcomp_lzo.c
@@ -10,17 +10,26 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lzo.h>
+#include <linux/vmalloc.h>
+#include <linux/mm.h>
#include "zcomp_lzo.h"
-static void *lzo_create(void)
+static void *lzo_create(gfp_t flags)
{
- return kzalloc(LZO1X_MEM_COMPRESS, GFP_KERNEL);
+ void *ret;
+
+ ret = kmalloc(LZO1X_MEM_COMPRESS, flags);
+ if (!ret)
+ ret = __vmalloc(LZO1X_MEM_COMPRESS,
+ flags | __GFP_HIGHMEM,
+ PAGE_KERNEL);
+ return ret;
}
static void lzo_destroy(void *private)
{
- kfree(private);
+ kvfree(private);
}
static int lzo_compress(const unsigned char *src, unsigned char *dst,
diff --git a/drivers/staging/lustre/lustre/llite/super25.c b/drivers/staging/lustre/lustre/llite/super25.c
index 7a9fafc67693..86c371ef71ea 100644
--- a/drivers/staging/lustre/lustre/llite/super25.c
+++ b/drivers/staging/lustre/lustre/llite/super25.c
@@ -106,7 +106,8 @@ static int __init init_lustre_lite(void)
rc = -ENOMEM;
ll_inode_cachep = kmem_cache_create("lustre_inode_cache",
sizeof(struct ll_inode_info),
- 0, SLAB_HWCACHE_ALIGN, NULL);
+ 0, SLAB_HWCACHE_ALIGN|SLAB_ACCOUNT,
+ NULL);
if (ll_inode_cachep == NULL)
goto out_cache;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.