diff options
| -rw-r--r-- | include/asm-generic/error-injection.h | 1 | ||||
| -rw-r--r-- | mm/page_alloc.c | 10 |
2 files changed, 9 insertions, 2 deletions
diff --git a/include/asm-generic/error-injection.h b/include/asm-generic/error-injection.h index 296c65442f00..95a159a4137f 100644 --- a/include/asm-generic/error-injection.h +++ b/include/asm-generic/error-injection.h @@ -8,6 +8,7 @@ enum { EI_ETYPE_NULL, /* Return NULL if failure */ EI_ETYPE_ERRNO, /* Return -ERRNO if failure */ EI_ETYPE_ERRNO_NULL, /* Return -ERRNO or NULL if failure */ + EI_ETYPE_TRUE, /* Return true if failure */ }; struct error_injection_entry { diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 75865e1325b5..cde5dac6229a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -3131,7 +3131,7 @@ static int __init setup_fail_page_alloc(char *str) } __setup("fail_page_alloc=", setup_fail_page_alloc); -static bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) +static bool __should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) { if (order < fail_page_alloc.min_order) return false; @@ -3181,13 +3181,19 @@ late_initcall(fail_page_alloc_debugfs); #else /* CONFIG_FAIL_PAGE_ALLOC */ -static inline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) +static inline bool __should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) { return false; } #endif /* CONFIG_FAIL_PAGE_ALLOC */ +static noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) +{ + return __should_fail_alloc_page(gfp_mask, order); +} +ALLOW_ERROR_INJECTION(should_fail_alloc_page, TRUE); + /* * Return true if free base pages are above 'mark'. For high-order checks it * will return true of the order-0 watermark is reached and there is at least |