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author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-04 04:12:13 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-04 04:12:13 +0400 |
commit | 7f0ef0267e20d62d45d527911a993b1e998f4968 (patch) | |
tree | de51abc7da5903f59d83e23937f22420164c9477 /drivers/char/mem.c | |
parent | 862f0012549110d6f2586bf54b52ed4540cbff3a (diff) | |
parent | 9307c29524502c21f0e8a6d96d850b2f5bc0bd9a (diff) | |
download | linux-7f0ef0267e20d62d45d527911a993b1e998f4968.tar.xz |
Merge branch 'akpm' (updates from Andrew Morton)
Merge first patch-bomb from Andrew Morton:
- various misc bits
- I'm been patchmonkeying ocfs2 for a while, as Joel and Mark have been
distracted. There has been quite a bit of activity.
- About half the MM queue
- Some backlight bits
- Various lib/ updates
- checkpatch updates
- zillions more little rtc patches
- ptrace
- signals
- exec
- procfs
- rapidio
- nbd
- aoe
- pps
- memstick
- tools/testing/selftests updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (445 commits)
tools/testing/selftests: don't assume the x bit is set on scripts
selftests: add .gitignore for kcmp
selftests: fix clean target in kcmp Makefile
selftests: add .gitignore for vm
selftests: add hugetlbfstest
self-test: fix make clean
selftests: exit 1 on failure
kernel/resource.c: remove the unneeded assignment in function __find_resource
aio: fix wrong comment in aio_complete()
drivers/w1/slaves/w1_ds2408.c: add magic sequence to disable P0 test mode
drivers/memstick/host/r592.c: convert to module_pci_driver
drivers/memstick/host/jmb38x_ms: convert to module_pci_driver
pps-gpio: add device-tree binding and support
drivers/pps/clients/pps-gpio.c: convert to module_platform_driver
drivers/pps/clients/pps-gpio.c: convert to devm_* helpers
drivers/parport/share.c: use kzalloc
Documentation/accounting/getdelays.c: avoid strncpy in accounting tool
aoe: update internal version number to v83
aoe: update copyright date
aoe: perform I/O completions in parallel
...
Diffstat (limited to 'drivers/char/mem.c')
-rw-r--r-- | drivers/char/mem.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 2ca6d7844ad9..f895a8c8a244 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -21,7 +21,6 @@ #include <linux/ptrace.h> #include <linux/device.h> #include <linux/highmem.h> -#include <linux/crash_dump.h> #include <linux/backing-dev.h> #include <linux/bootmem.h> #include <linux/splice.h> @@ -357,40 +356,6 @@ static int mmap_kmem(struct file *file, struct vm_area_struct *vma) } #endif -#ifdef CONFIG_CRASH_DUMP -/* - * Read memory corresponding to the old kernel. - */ -static ssize_t read_oldmem(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - unsigned long pfn, offset; - size_t read = 0, csize; - int rc = 0; - - while (count) { - pfn = *ppos / PAGE_SIZE; - if (pfn > saved_max_pfn) - return read; - - offset = (unsigned long)(*ppos % PAGE_SIZE); - if (count > PAGE_SIZE - offset) - csize = PAGE_SIZE - offset; - else - csize = count; - - rc = copy_oldmem_page(pfn, buf, csize, offset, 1); - if (rc < 0) - return rc; - buf += csize; - *ppos += csize; - read += csize; - count -= csize; - } - return read; -} -#endif - #ifdef CONFIG_DEVKMEM /* * This function reads the *virtual* memory as seen by the kernel. @@ -772,7 +737,6 @@ static int open_port(struct inode *inode, struct file *filp) #define aio_write_zero aio_write_null #define open_mem open_port #define open_kmem open_mem -#define open_oldmem open_mem static const struct file_operations mem_fops = { .llseek = memory_lseek, @@ -837,14 +801,6 @@ static const struct file_operations full_fops = { .write = write_full, }; -#ifdef CONFIG_CRASH_DUMP -static const struct file_operations oldmem_fops = { - .read = read_oldmem, - .open = open_oldmem, - .llseek = default_llseek, -}; -#endif - static const struct memdev { const char *name; umode_t mode; @@ -866,9 +822,6 @@ static const struct memdev { #ifdef CONFIG_PRINTK [11] = { "kmsg", 0644, &kmsg_fops, NULL }, #endif -#ifdef CONFIG_CRASH_DUMP - [12] = { "oldmem", 0, &oldmem_fops, NULL }, -#endif }; static int memory_open(struct inode *inode, struct file *filp) |