diff options
Diffstat (limited to '')
| -rw-r--r-- | include/asm-generic/tlb.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h index 53befa5acb27..ca0fe75b5355 100644 --- a/include/asm-generic/tlb.h +++ b/include/asm-generic/tlb.h @@ -143,6 +143,16 @@ * MMU_GATHER_NO_RANGE * * Use this if your architecture lacks an efficient flush_tlb_range(). + * + * MMU_GATHER_NO_GATHER + * + * If the option is set the mmu_gather will not track individual pages for + * delayed page free anymore. A platform that enables the option needs to + * provide its own implementation of the __tlb_remove_page_size() function to + * free pages. + * + * This is useful if your architecture already flushes TLB entries in the + * various ptep_get_and_clear() functions. */ #ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE @@ -202,7 +212,7 @@ extern void tlb_remove_table(struct mmu_gather *tlb, void *table); #endif /* CONFIG_MMU_GATHER_RCU_TABLE_FREE */ -#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER +#ifndef CONFIG_MMU_GATHER_NO_GATHER /* * If we can't allocate a page to make a big batch of page pointers * to work on, then just handle a few from the on-stack structure. @@ -277,7 +287,7 @@ struct mmu_gather { unsigned int batch_count; -#ifndef CONFIG_HAVE_MMU_GATHER_NO_GATHER +#ifndef CONFIG_MMU_GATHER_NO_GATHER struct mmu_gather_batch *active; struct mmu_gather_batch local; struct page *__pages[MMU_GATHER_BUNDLE]; |