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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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proc: move /proc/slabinfo boilerplate to mm/slub.c, mm/slab.c
Lose dummy ->write hook in case of SLUB, it's possible now. Signed-off-by: Alexey Dobriyan <[email protected]> Acked-by: Pekka Enberg <[email protected]>
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parent
a0ec95a8e6
commit
7b3c3a50a3
4 changed files with 35 additions and 32 deletions
16
mm/slab.c
16
mm/slab.c
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@ -4259,7 +4259,7 @@ static int s_show(struct seq_file *m, void *p)
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* + further values on SMP and with statistics enabled
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*/
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const struct seq_operations slabinfo_op = {
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static const struct seq_operations slabinfo_op = {
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.start = s_start,
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.next = s_next,
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.stop = s_stop,
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@ -4316,6 +4316,19 @@ ssize_t slabinfo_write(struct file *file, const char __user * buffer,
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return res;
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}
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static int slabinfo_open(struct inode *inode, struct file *file)
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{
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return seq_open(file, &slabinfo_op);
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}
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static const struct file_operations proc_slabinfo_operations = {
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.open = slabinfo_open,
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.read = seq_read,
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.write = slabinfo_write,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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#ifdef CONFIG_DEBUG_SLAB_LEAK
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static void *leaks_start(struct seq_file *m, loff_t *pos)
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@ -4478,6 +4491,7 @@ static const struct file_operations proc_slabstats_operations = {
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static int __init slab_proc_init(void)
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{
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proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
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#ifdef CONFIG_DEBUG_SLAB_LEAK
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proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations);
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#endif
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29
mm/slub.c
29
mm/slub.c
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@ -14,6 +14,7 @@
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#include <linux/interrupt.h>
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#include <linux/bitops.h>
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#include <linux/slab.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/cpu.h>
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#include <linux/cpuset.h>
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@ -4417,14 +4418,6 @@ __initcall(slab_sysfs_init);
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* The /proc/slabinfo ABI
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*/
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#ifdef CONFIG_SLABINFO
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ssize_t slabinfo_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *ppos)
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{
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return -EINVAL;
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}
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static void print_slabinfo_header(struct seq_file *m)
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{
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seq_puts(m, "slabinfo - version: 2.1\n");
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@ -4492,11 +4485,29 @@ static int s_show(struct seq_file *m, void *p)
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return 0;
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}
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const struct seq_operations slabinfo_op = {
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static const struct seq_operations slabinfo_op = {
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.start = s_start,
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.next = s_next,
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.stop = s_stop,
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.show = s_show,
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};
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static int slabinfo_open(struct inode *inode, struct file *file)
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{
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return seq_open(file, &slabinfo_op);
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}
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static const struct file_operations proc_slabinfo_operations = {
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.open = slabinfo_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = seq_release,
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};
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static int __init slab_proc_init(void)
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{
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proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations);
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return 0;
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}
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module_init(slab_proc_init);
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#endif /* CONFIG_SLABINFO */
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