Revision 4f0f4af59cb07bcf44d3c07a9e8c26df54d9fff8 authored by Randy Dunlap on 30 June 2012, 22:37:24 UTC, committed by Linus Torvalds on 30 June 2012, 22:56:40 UTC
Fix kernel-doc warnings in printk.c: use correct parameter name. Warning(kernel/printk.c:2429): No description found for parameter 'buf' Warning(kernel/printk.c:2429): Excess function parameter 'line' description in 'kmsg_dump_get_buffer' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 87fac28
failslab.c
#include <linux/fault-inject.h>
#include <linux/slab.h>
static struct {
struct fault_attr attr;
u32 ignore_gfp_wait;
int cache_filter;
} failslab = {
.attr = FAULT_ATTR_INITIALIZER,
.ignore_gfp_wait = 1,
.cache_filter = 0,
};
bool should_failslab(size_t size, gfp_t gfpflags, unsigned long cache_flags)
{
if (gfpflags & __GFP_NOFAIL)
return false;
if (failslab.ignore_gfp_wait && (gfpflags & __GFP_WAIT))
return false;
if (failslab.cache_filter && !(cache_flags & SLAB_FAILSLAB))
return false;
return should_fail(&failslab.attr, size);
}
static int __init setup_failslab(char *str)
{
return setup_fault_attr(&failslab.attr, str);
}
__setup("failslab=", setup_failslab);
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
static int __init failslab_debugfs_init(void)
{
struct dentry *dir;
umode_t mode = S_IFREG | S_IRUSR | S_IWUSR;
dir = fault_create_debugfs_attr("failslab", NULL, &failslab.attr);
if (IS_ERR(dir))
return PTR_ERR(dir);
if (!debugfs_create_bool("ignore-gfp-wait", mode, dir,
&failslab.ignore_gfp_wait))
goto fail;
if (!debugfs_create_bool("cache-filter", mode, dir,
&failslab.cache_filter))
goto fail;
return 0;
fail:
debugfs_remove_recursive(dir);
return -ENOMEM;
}
late_initcall(failslab_debugfs_init);
#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */
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