From: Qiao Nuohan <[email protected]> initialize_bitmap_memory_parallel and initialize_2nd_bitmap_parallel is used for parallel process to avoid conflict on bitmap.
Signed-off-by: Qiao Nuohan <[email protected]> --- makedumpfile.c | 20 ++++++++++++++++++++ makedumpfile.h | 18 ++++++++++++++++++ 2 files changed, 38 insertions(+), 0 deletions(-) diff --git a/makedumpfile.c b/makedumpfile.c index 8a69321..05859a3 100644 --- a/makedumpfile.c +++ b/makedumpfile.c @@ -3398,6 +3398,16 @@ initialize_bitmap_memory(void) return TRUE; } +void +initialize_bitmap_memory_parallel(struct dump_bitmap *bitmap, int thread_num) +{ + bitmap->fd = FD_BITMAP_MEMORY_PARALLEL(thread_num); + bitmap->file_name = info->name_memory; + bitmap->no_block = -1; + memset(bitmap->buf, 0, BUFSIZE_BITMAP); + bitmap->offset = info->bitmap_memory->offset; +} + int calibrate_machdep_info(void) { @@ -3713,6 +3723,16 @@ initialize_2nd_bitmap(struct dump_bitmap *bitmap) bitmap->offset = info->len_bitmap / 2; } +void +initialize_2nd_bitmap_parallel(struct dump_bitmap *bitmap, int thread_num) +{ + bitmap->fd = FD_BITMAP_PARALLEL(thread_num); + bitmap->file_name = info->name_bitmap; + bitmap->no_block = -1; + memset(bitmap->buf, 0, BUFSIZE_BITMAP); + bitmap->offset = info->len_bitmap / 2; +} + int set_bitmap(struct dump_bitmap *bitmap, mdf_pfn_t pfn, int val) { diff --git a/makedumpfile.h b/makedumpfile.h index 939850f..b1ff561 100644 --- a/makedumpfile.h +++ b/makedumpfile.h @@ -429,6 +429,11 @@ do { \ #define SPLITTING_SIZE_EI(i) info->splitting_info[i].size_eraseinfo /* + * Macro for getting parallel info. + */ +#define FD_BITMAP_MEMORY_PARALLEL(i) info->parallel_info[i].fd_bitmap_memory +#define FD_BITMAP_PARALLEL(i) info->parallel_info[i].fd_bitmap +/* * kernel version * * NOTE: the format of kernel_version is as follows @@ -957,6 +962,18 @@ struct splitting_info { unsigned long size_eraseinfo; } splitting_info_t; +struct parallel_info { + int fd_memory; + int fd_bitmap_memory; + int fd_bitmap; + unsigned char *buf; + unsigned char *buf_out; + struct mmap_cache *mmap_cache; +#ifdef USELZO + lzo_bytep wrkmem; +#endif +} parallel_info_t; + struct ppc64_vmemmap { unsigned long phys; unsigned long virt; @@ -1093,6 +1110,7 @@ struct DumpInfo { char *name_dumpfile; int num_dumpfile; struct splitting_info *splitting_info; + struct parallel_info *parallel_info; /* * bitmap info: -- 1.7.1 _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
