Replace unsigned long long with mdf_pfn_t where:

  a. the variable denotes a PFN
  b. the variable is a number of pages

The number of pages is converted to a mdf_pfn_t, because it is a result
of subtracting two PFNs or incremented in a loop over a range of PFNs,
so it can get as large as a PFN.

Note: The mdf_ (i.e. makedumpfile) prefix is used to prevent possible
conflicts with other software that defines a pfn_t type.

Signed-off-by: Petr Tesarik <[email protected]>
---
 makedumpfile.c | 152 ++++++++++++++++++++++++++++++---------------------------
 makedumpfile.h |  46 ++++++++---------
 sadump_info.c  |  15 +++---
 sadump_info.h  |   4 +-
 4 files changed, 114 insertions(+), 103 deletions(-)

diff --git a/makedumpfile.c b/makedumpfile.c
index 75092a8..5609430 100644
--- a/makedumpfile.c
+++ b/makedumpfile.c
@@ -37,7 +37,7 @@ struct DumpInfo               *info = NULL;
 
 char filename_stdout[] = FILENAME_STDOUT;
 
-static void first_cycle(unsigned long long start, unsigned long long max, 
struct cycle *cycle)
+static void first_cycle(mdf_pfn_t start, mdf_pfn_t max, struct cycle *cycle)
 {
        cycle->start_pfn = round(start, info->pfn_cyclic);
        cycle->end_pfn = cycle->start_pfn + info->pfn_cyclic;
@@ -46,7 +46,7 @@ static void first_cycle(unsigned long long start, unsigned 
long long max, struct
                cycle->end_pfn = max;
 }
 
-static void update_cycle(unsigned long long max, struct cycle *cycle)
+static void update_cycle(mdf_pfn_t max, struct cycle *cycle)
 {
        cycle->start_pfn= cycle->end_pfn;
        cycle->end_pfn=  cycle->start_pfn + info->pfn_cyclic;
@@ -55,7 +55,7 @@ static void update_cycle(unsigned long long max, struct cycle 
*cycle)
                cycle->end_pfn = max;
 }
 
-static int end_cycle(unsigned long long max, struct cycle *cycle)
+static int end_cycle(mdf_pfn_t max, struct cycle *cycle)
 {
        return (cycle->start_pfn >=  max)?TRUE:FALSE;
 }
@@ -67,15 +67,15 @@ static int end_cycle(unsigned long long max, struct cycle 
*cycle)
 /*
  * The numbers of the excluded pages
  */
-unsigned long long pfn_zero;
-unsigned long long pfn_memhole;
-unsigned long long pfn_cache;
-unsigned long long pfn_cache_private;
-unsigned long long pfn_user;
-unsigned long long pfn_free;
-unsigned long long pfn_hwpoison;
+mdf_pfn_t pfn_zero;
+mdf_pfn_t pfn_memhole;
+mdf_pfn_t pfn_cache;
+mdf_pfn_t pfn_cache_private;
+mdf_pfn_t pfn_user;
+mdf_pfn_t pfn_free;
+mdf_pfn_t pfn_hwpoison;
 
-unsigned long long num_dumped;
+mdf_pfn_t num_dumped;
 
 int retcd = FAILED;    /* return code */
 
@@ -122,7 +122,9 @@ unsigned long long
 ptom_xen(unsigned long long paddr)
 {
        unsigned long mfn;
-       unsigned long long maddr, pfn, mfn_idx, frame_idx;
+       unsigned long long maddr;
+       mdf_pfn_t pfn;
+       unsigned long long mfn_idx, frame_idx;
 
        pfn = paddr_to_pfn(paddr);
        mfn_idx   = pfn / MFNS_PER_FRAME;
@@ -226,12 +228,13 @@ is_in_same_page(unsigned long vaddr1, unsigned long 
vaddr2)
 }
 
 #define BITMAP_SECT_LEN 4096
-static inline int is_dumpable(struct dump_bitmap *, unsigned long long);
-static inline int is_dumpable_cyclic(char *bitmap, unsigned long long, struct 
cycle *cycle);
+static inline int is_dumpable(struct dump_bitmap *, mdf_pfn_t);
+static inline int is_dumpable_cyclic(char *bitmap, mdf_pfn_t, struct cycle 
*cycle);
 unsigned long
-pfn_to_pos(unsigned long long pfn)
+pfn_to_pos(mdf_pfn_t pfn)
 {
-       unsigned long desc_pos, i;
+       unsigned long desc_pos;
+       mdf_pfn_t i;
 
        desc_pos = info->valid_pages[pfn / BITMAP_SECT_LEN];
        for (i = round(pfn, BITMAP_SECT_LEN); i < pfn; i++)
@@ -246,7 +249,7 @@ read_page_desc(unsigned long long paddr, page_desc_t *pd)
 {
        struct disk_dump_header *dh;
        unsigned long desc_pos;
-       unsigned long long pfn;
+       mdf_pfn_t pfn;
        off_t offset;
 
        /*
@@ -2375,8 +2378,8 @@ pgdat4:
 }
 
 void
-dump_mem_map(unsigned long long pfn_start,
-    unsigned long long pfn_end, unsigned long mem_map, int num_mm)
+dump_mem_map(mdf_pfn_t pfn_start, mdf_pfn_t pfn_end,
+    unsigned long mem_map, int num_mm)
 {
        struct mem_map_data *mmd;
 
@@ -2802,7 +2805,7 @@ int
 get_mm_sparsemem(void)
 {
        unsigned int section_nr, mem_section_size, num_section;
-       unsigned long long pfn_start, pfn_end;
+       mdf_pfn_t pfn_start, pfn_end;
        unsigned long section, mem_map;
        unsigned long *mem_sec = NULL;
 
@@ -2886,7 +2889,7 @@ get_mem_map_without_mm(void)
 int
 get_mem_map(void)
 {
-       unsigned long long max_pfn = 0;
+       mdf_pfn_t max_pfn = 0;
        unsigned int i;
        int ret;
 
@@ -2944,7 +2947,7 @@ initialize_bitmap_memory(void)
        struct dump_bitmap *bmp;
        off_t bitmap_offset;
        off_t bitmap_len, max_sect_len;
-       unsigned long pfn;
+       mdf_pfn_t pfn;
        int i, j;
        long block_size;
 
@@ -3309,8 +3312,7 @@ initialize_2nd_bitmap(struct dump_bitmap *bitmap)
 }
 
 int
-set_bitmap(struct dump_bitmap *bitmap, unsigned long long pfn,
-    int val)
+set_bitmap(struct dump_bitmap *bitmap, mdf_pfn_t pfn, int val)
 {
        int byte, bit;
        off_t old_offset, new_offset;
@@ -3358,7 +3360,7 @@ set_bitmap(struct dump_bitmap *bitmap, unsigned long long 
pfn,
 }
 
 int
-set_bitmap_cyclic(char *bitmap, unsigned long long pfn, int val, struct cycle 
*cycle)
+set_bitmap_cyclic(char *bitmap, mdf_pfn_t pfn, int val, struct cycle *cycle)
 {
        int byte, bit;
 
@@ -3418,7 +3420,7 @@ sync_2nd_bitmap(void)
 }
 
 int
-set_bit_on_1st_bitmap(unsigned long long pfn, struct cycle *cycle)
+set_bit_on_1st_bitmap(mdf_pfn_t pfn, struct cycle *cycle)
 {
        if (info->flag_cyclic) {
                return set_bitmap_cyclic(info->partial_bitmap1, pfn, 1, cycle);
@@ -3428,7 +3430,7 @@ set_bit_on_1st_bitmap(unsigned long long pfn, struct 
cycle *cycle)
 }
 
 int
-clear_bit_on_1st_bitmap(unsigned long long pfn, struct cycle *cycle)
+clear_bit_on_1st_bitmap(mdf_pfn_t pfn, struct cycle *cycle)
 {
        if (info->flag_cyclic) {
                return set_bitmap_cyclic(info->partial_bitmap1, pfn, 0, cycle);
@@ -3438,7 +3440,7 @@ clear_bit_on_1st_bitmap(unsigned long long pfn, struct 
cycle *cycle)
 }
 
 int
-clear_bit_on_2nd_bitmap(unsigned long long pfn, struct cycle *cycle)
+clear_bit_on_2nd_bitmap(mdf_pfn_t pfn, struct cycle *cycle)
 {
        if (info->flag_cyclic) {
                return set_bitmap_cyclic(info->partial_bitmap2, pfn, 0, cycle);
@@ -3448,7 +3450,7 @@ clear_bit_on_2nd_bitmap(unsigned long long pfn, struct 
cycle *cycle)
 }
 
 int
-clear_bit_on_2nd_bitmap_for_kernel(unsigned long long pfn, struct cycle *cycle)
+clear_bit_on_2nd_bitmap_for_kernel(mdf_pfn_t pfn, struct cycle *cycle)
 {
        unsigned long long maddr;
 
@@ -3465,7 +3467,7 @@ clear_bit_on_2nd_bitmap_for_kernel(unsigned long long 
pfn, struct cycle *cycle)
 }
 
 int
-set_bit_on_2nd_bitmap(unsigned long long pfn, struct cycle *cycle)
+set_bit_on_2nd_bitmap(mdf_pfn_t pfn, struct cycle *cycle)
 {
        if (info->flag_cyclic) {
                return set_bitmap_cyclic(info->partial_bitmap2, pfn, 1, cycle);
@@ -3475,7 +3477,7 @@ set_bit_on_2nd_bitmap(unsigned long long pfn, struct 
cycle *cycle)
 }
 
 int
-set_bit_on_2nd_bitmap_for_kernel(unsigned long long pfn, struct cycle *cycle)
+set_bit_on_2nd_bitmap_for_kernel(mdf_pfn_t pfn, struct cycle *cycle)
 {
        unsigned long long maddr;
 
@@ -3786,11 +3788,11 @@ rearrange_dumpdata(void)
        return TRUE;
 }
 
-unsigned long long
+mdf_pfn_t
 page_to_pfn(unsigned long page)
 {
        unsigned int num;
-       unsigned long long pfn = ULONGLONG_MAX;
+       mdf_pfn_t pfn = ULONGLONG_MAX;
        unsigned long long index = 0;
        struct mem_map_data *mmd;
 
@@ -3820,7 +3822,7 @@ reset_bitmap_of_free_pages(unsigned long node_zones, 
struct cycle *cycle)
        int order, i, migrate_type, migrate_types;
        unsigned long curr, previous, head, curr_page, curr_prev;
        unsigned long addr_free_pages, free_pages = 0, found_free_pages = 0;
-       unsigned long long pfn, start_pfn;
+       mdf_pfn_t pfn, start_pfn;
 
        /*
         * On linux-2.6.24 or later, free_list is divided into the array.
@@ -4423,7 +4425,7 @@ create_1st_bitmap(void)
        int i;
        unsigned int num_pt_loads = get_num_pt_loads();
        char buf[info->page_size];
-       unsigned long long pfn, pfn_start, pfn_end, pfn_bitmap1;
+       mdf_pfn_t pfn, pfn_start, pfn_end, pfn_bitmap1;
        unsigned long long phys_start, phys_end;
        struct timeval tv_start;
        off_t offset_page;
@@ -4495,10 +4497,10 @@ int
 create_1st_bitmap_cyclic(struct cycle *cycle)
 {
        int i;
-       unsigned long long pfn, pfn_bitmap1;
+       mdf_pfn_t pfn, pfn_bitmap1;
        unsigned long long phys_start, phys_end;
-       unsigned long long pfn_start, pfn_end;
-       unsigned long long pfn_start_roundup, pfn_end_round;
+       mdf_pfn_t pfn_start, pfn_end;
+       mdf_pfn_t pfn_start_roundup, pfn_end_round;
        unsigned long pfn_start_byte, pfn_end_byte;
 
        /*
@@ -4556,7 +4558,8 @@ create_1st_bitmap_cyclic(struct cycle *cycle)
 int
 exclude_zero_pages(void)
 {
-       unsigned long long pfn, paddr;
+       mdf_pfn_t pfn;
+       unsigned long long paddr;
        struct dump_bitmap bitmap2;
        struct timeval tv_start;
        unsigned char buf[info->page_size];
@@ -4608,10 +4611,10 @@ static int
 initialize_2nd_bitmap_cyclic(struct cycle *cycle)
 {
        int i;
-       unsigned long long pfn;
+       mdf_pfn_t pfn;
        unsigned long long phys_start, phys_end;
-       unsigned long long pfn_start, pfn_end;
-       unsigned long long pfn_start_roundup, pfn_end_round;
+       mdf_pfn_t pfn_start, pfn_end;
+       mdf_pfn_t pfn_start_roundup, pfn_end_round;
        unsigned long pfn_start_byte, pfn_end_byte;
 
        /*
@@ -4659,10 +4662,12 @@ initialize_2nd_bitmap_cyclic(struct cycle *cycle)
 
 int
 __exclude_unnecessary_pages(unsigned long mem_map,
-    unsigned long long pfn_start, unsigned long long pfn_end, struct cycle 
*cycle)
+    mdf_pfn_t pfn_start, mdf_pfn_t pfn_end, struct cycle *cycle)
 {
-       unsigned long long pfn, pfn_mm, maddr;
-       unsigned long long pfn_read_start, pfn_read_end, index_pg;
+       mdf_pfn_t pfn;
+       unsigned long index_pg, pfn_mm;
+       unsigned long long maddr;
+       mdf_pfn_t pfn_read_start, pfn_read_end;
        unsigned char page_cache[SIZE(page) * PGMM_CACHED];
        unsigned char *pcache;
        unsigned int _count, _mapcount = 0;
@@ -5162,7 +5167,7 @@ get_loads_dumpfile(void)
 {
        int i, phnum, num_new_load = 0;
        long page_size = info->page_size;
-       unsigned long long pfn, pfn_start, pfn_end, num_excluded;
+       mdf_pfn_t pfn, pfn_start, pfn_end, num_excluded;
        unsigned long frac_head, frac_tail;
        Elf64_Phdr load;
        struct dump_bitmap bitmap2;
@@ -5612,10 +5617,10 @@ out:
        return ret;
 }
 
-unsigned long long
+mdf_pfn_t
 get_num_dumpable(void)
 {
-       unsigned long long pfn, num_dumpable;
+       mdf_pfn_t pfn, num_dumpable;
        struct dump_bitmap bitmap2;
 
        initialize_2nd_bitmap(&bitmap2);
@@ -5627,10 +5632,10 @@ get_num_dumpable(void)
        return num_dumpable;
 }
 
-unsigned long long
+mdf_pfn_t
 get_num_dumpable_cyclic(void)
 {
-       unsigned long long pfn, num_dumpable=0;
+       mdf_pfn_t pfn, num_dumpable=0;
        struct cycle cycle = {0};
 
        for_each_cycle(0, info->max_mapnr, &cycle)
@@ -5692,8 +5697,9 @@ write_elf_pages(struct cache_data *cd_header, struct 
cache_data *cd_page)
 {
        int i, phnum;
        long page_size = info->page_size;
-       unsigned long long pfn, pfn_start, pfn_end, paddr, num_excluded;
-       unsigned long long num_dumpable, per;
+       mdf_pfn_t pfn, pfn_start, pfn_end, num_excluded;
+       unsigned long long paddr;
+       mdf_pfn_t num_dumpable, per;
        unsigned long long memsz, filesz;
        unsigned long frac_head, frac_tail;
        off_t off_seg_load, off_memory;
@@ -5878,7 +5884,7 @@ write_elf_pages(struct cache_data *cd_header, struct 
cache_data *cd_page)
 }
 
 int
-read_pfn(unsigned long long pfn, unsigned char *buf)
+read_pfn(mdf_pfn_t pfn, unsigned char *buf)
 {
        unsigned long long paddr;
 
@@ -5897,7 +5903,7 @@ get_loads_dumpfile_cyclic(void)
        int i, phnum, num_new_load = 0;
        long page_size = info->page_size;
        unsigned char buf[info->page_size];
-       unsigned long long pfn, pfn_start, pfn_end, num_excluded;
+       mdf_pfn_t pfn, pfn_start, pfn_end, num_excluded;
        unsigned long frac_head, frac_tail;
        Elf64_Phdr load;
        struct cycle cycle = {0};
@@ -5969,8 +5975,8 @@ write_elf_pages_cyclic(struct cache_data *cd_header, 
struct cache_data *cd_page)
        int i, phnum;
        long page_size = info->page_size;
        unsigned char buf[info->page_size];
-       unsigned long long pfn, pfn_start, pfn_end, paddr, num_excluded;
-       unsigned long long num_dumpable, per;
+       mdf_pfn_t pfn, pfn_start, pfn_end, num_excluded, num_dumpable, per;
+       unsigned long long paddr;
        unsigned long long memsz, filesz;
        unsigned long frac_head, frac_tail;
        off_t off_seg_load, off_memory;
@@ -6190,8 +6196,8 @@ write_elf_pages_cyclic(struct cache_data *cd_header, 
struct cache_data *cd_page)
 int
 write_kdump_pages(struct cache_data *cd_header, struct cache_data *cd_page)
 {
-       unsigned long long pfn, per, num_dumpable;
-       unsigned long long start_pfn, end_pfn;
+       mdf_pfn_t pfn, per, num_dumpable;
+       mdf_pfn_t start_pfn, end_pfn;
        unsigned long size_out;
        struct page_desc pd, pd_zero;
        off_t offset_data = 0;
@@ -6397,8 +6403,8 @@ int
 write_kdump_pages_cyclic(struct cache_data *cd_header, struct cache_data 
*cd_page,
                         struct page_desc *pd_zero, off_t *offset_data, struct 
cycle *cycle)
 {
-       unsigned long long pfn, per;
-       unsigned long long start_pfn, end_pfn;
+       mdf_pfn_t pfn, per;
+       mdf_pfn_t start_pfn, end_pfn;
        unsigned long size_out;
        struct page_desc pd;
        unsigned char buf[info->page_size], *buf_out = NULL;
@@ -7504,7 +7510,7 @@ read_vmcoreinfo_xen(void)
 }
 
 int
-allocated_in_map(unsigned long long pfn)
+allocated_in_map(mdf_pfn_t pfn)
 {
        static unsigned long long cur_idx = -1;
        static unsigned long cur_word;
@@ -7550,8 +7556,8 @@ exclude_xen3_user_domain(void)
        unsigned int num_pt_loads = get_num_pt_loads();
        unsigned long page_info_addr;
        unsigned long long phys_start, phys_end;
-       unsigned long long pfn, pfn_end;
-       unsigned long long j, size;
+       mdf_pfn_t pfn, pfn_end;
+       mdf_pfn_t j, size;
 
        /*
         * NOTE: the first half of bitmap is not used for Xen extraction
@@ -7614,8 +7620,8 @@ exclude_xen4_user_domain(void)
        unsigned int num_pt_loads = get_num_pt_loads();
        unsigned long page_info_addr;
        unsigned long long phys_start, phys_end;
-       unsigned long long pfn, pfn_end;
-       unsigned long long j, size;
+       mdf_pfn_t pfn, pfn_end;
+       mdf_pfn_t j, size;
 
        /*
         * NOTE: the first half of bitmap is not used for Xen extraction
@@ -7840,7 +7846,7 @@ print_vtop(void)
 void
 print_report(void)
 {
-       unsigned long long pfn_original, pfn_excluded, shrinking;
+       mdf_pfn_t pfn_original, pfn_excluded, shrinking;
 
        /*
         * /proc/vmcore doesn't contain the memory hole area.
@@ -7945,9 +7951,9 @@ int
 setup_splitting(void)
 {
        int i;
-       unsigned long long j, pfn_per_dumpfile;
-       unsigned long long start_pfn, end_pfn;
-       unsigned long long num_dumpable = get_num_dumpable();
+       mdf_pfn_t j, pfn_per_dumpfile;
+       mdf_pfn_t start_pfn, end_pfn;
+       mdf_pfn_t num_dumpable = get_num_dumpable();
        struct dump_bitmap bitmap2;
 
        if (info->num_dumpfile <= 1)
@@ -8274,7 +8280,7 @@ void
 sort_splitting_info(void)
 {
        int i, j;
-       unsigned long long start_pfn, end_pfn;
+       mdf_pfn_t start_pfn, end_pfn;
        char *name_dumpfile;
 
        /*
@@ -8310,7 +8316,7 @@ int
 check_splitting_info(void)
 {
        int i;
-       unsigned long long end_pfn;
+       mdf_pfn_t end_pfn;
 
        /*
         * Check whether there are not lack of /proc/vmcore.
@@ -8537,8 +8543,8 @@ reassemble_kdump_pages(void)
        int i, fd = 0, ret = FALSE;
        off_t offset_first_ph, offset_ph_org, offset_eraseinfo;
        off_t offset_data_new, offset_zero_page = 0;
-       unsigned long long pfn, start_pfn, end_pfn;
-       unsigned long long num_dumpable;
+       mdf_pfn_t pfn, start_pfn, end_pfn;
+       mdf_pfn_t num_dumpable;
        unsigned long size_eraseinfo;
        struct dump_bitmap bitmap2;
        struct disk_dump_header dh;
diff --git a/makedumpfile.h b/makedumpfile.h
index 951ed1b..a6a679b 100644
--- a/makedumpfile.h
+++ b/makedumpfile.h
@@ -767,13 +767,15 @@ unsigned long long vaddr_to_paddr_ia64(unsigned long 
vaddr);
 #define VADDR_REGION(X)                (((unsigned long)(X)) >> REGION_SHIFT)
 #endif          /* ia64 */
 
+typedef unsigned long long mdf_pfn_t;
+
 #ifndef ARCH_PFN_OFFSET
 #define ARCH_PFN_OFFSET                0
 #endif
 #define paddr_to_pfn(X) \
        (((unsigned long long)(X) >> PAGESHIFT()) - ARCH_PFN_OFFSET)
 #define pfn_to_paddr(X) \
-       (((unsigned long long)(X) + ARCH_PFN_OFFSET) << PAGESHIFT())
+       (((mdf_pfn_t)(X) + ARCH_PFN_OFFSET) << PAGESHIFT())
 
 /* Format of Xen crash info ELF note */
 typedef struct {
@@ -813,8 +815,8 @@ typedef struct {
 } xen_crash_info_v2_t;
 
 struct mem_map_data {
-       unsigned long long      pfn_start;
-       unsigned long long      pfn_end;
+       mdf_pfn_t       pfn_start;
+       mdf_pfn_t       pfn_end;
        unsigned long   mem_map;
 };
 
@@ -866,8 +868,8 @@ struct makedumpfile_data_header {
 struct splitting_info {
        char                    *name_dumpfile;
        int                     fd_bitmap;
-       unsigned long long      start_pfn;
-       unsigned long long      end_pfn;
+       mdf_pfn_t               start_pfn;
+       mdf_pfn_t               end_pfn;
        off_t                   offset_eraseinfo;
        unsigned long           size_eraseinfo;
 } splitting_info_t;
@@ -914,7 +916,7 @@ struct DumpInfo {
        unsigned long   vaddr_for_vtop;      /* virtual address for debugging */
        long            page_size;           /* size of page */
        long            page_shift;
-       unsigned long long      max_mapnr;   /* number of page descriptor */
+       mdf_pfn_t       max_mapnr;   /* number of page descriptor */
        unsigned long   page_offset;
        unsigned long   section_size_bits;
        unsigned long   max_physmem_bits;
@@ -1025,10 +1027,10 @@ struct DumpInfo {
                                         *   1 .. xen_crash_info_t
                                         *   2 .. xen_crash_info_v2_t */
 
-       unsigned long long      dom0_mapnr;  /* The number of page in domain-0.
-                                             * Different from max_mapnr.
-                                             * max_mapnr is the number of page
-                                             * in system. */
+       mdf_pfn_t       dom0_mapnr;     /* The number of page in domain-0.
+                                        * Different from max_mapnr.
+                                        * max_mapnr is the number of page
+                                        * in system. */
        unsigned long xen_phys_start;
        unsigned long xen_heap_start;   /* start mfn of xen heap area */
        unsigned long xen_heap_end;     /* end mfn(+1) of xen heap area */
@@ -1048,15 +1050,15 @@ struct DumpInfo {
        /*
         * for splitting
         */
-       unsigned long long split_start_pfn;  
-       unsigned long long split_end_pfn;  
+       mdf_pfn_t split_start_pfn;
+       mdf_pfn_t split_end_pfn;
 
        /*
         * for cyclic processing
         */
        char               *partial_bitmap1;
        char               *partial_bitmap2;
-       unsigned long long num_dumpable;
+       mdf_pfn_t          num_dumpable;
        unsigned long      bufsize_cyclic;
        unsigned long      pfn_cyclic;
 
@@ -1453,7 +1455,7 @@ int readmem(int type_addr, unsigned long long addr, void 
*bufptr, size_t size);
 int get_str_osrelease_from_vmlinux(void);
 int read_vmcoreinfo_xen(void);
 int exclude_xen_user_domain(void);
-unsigned long long get_num_dumpable(void);
+mdf_pfn_t get_num_dumpable(void);
 int __read_disk_dump_header(struct disk_dump_header *dh, char *filename);
 int read_disk_dump_header(struct disk_dump_header *dh, char *filename);
 int read_kdump_sub_header(struct kdump_sub_header *kh, char *filename);
@@ -1589,8 +1591,8 @@ int get_xen_info_ia64(void);
 #endif /* s390x */
 
 struct cycle {
-       unsigned long long start_pfn;
-       unsigned long long end_pfn;
+       mdf_pfn_t start_pfn;
+       mdf_pfn_t end_pfn;
 };
 
 static inline int
@@ -1600,7 +1602,7 @@ is_on(char *bitmap, int i)
 }
 
 static inline int
-is_dumpable(struct dump_bitmap *bitmap, unsigned long long pfn)
+is_dumpable(struct dump_bitmap *bitmap, mdf_pfn_t pfn)
 {
        off_t offset;
        if (pfn == 0 || bitmap->no_block != pfn/PFN_BUFBITMAP) {
@@ -1616,7 +1618,7 @@ is_dumpable(struct dump_bitmap *bitmap, unsigned long 
long pfn)
 }
 
 static inline int
-is_dumpable_cyclic(char *bitmap, unsigned long long pfn, struct cycle *cycle)
+is_dumpable_cyclic(char *bitmap, mdf_pfn_t pfn, struct cycle *cycle)
 {
        if (pfn < cycle->start_pfn || cycle->end_pfn <= pfn)
                return FALSE;
@@ -1625,7 +1627,7 @@ is_dumpable_cyclic(char *bitmap, unsigned long long pfn, 
struct cycle *cycle)
 }
 
 static inline int
-is_cyclic_region(unsigned long long pfn, struct cycle *cycle)
+is_cyclic_region(mdf_pfn_t pfn, struct cycle *cycle)
 {
        if (pfn < cycle->start_pfn || cycle->end_pfn <= pfn)
                return FALSE;
@@ -1647,8 +1649,8 @@ is_zero_page(unsigned char *buf, long page_size)
 }
 
 void write_vmcoreinfo_data(void);
-int set_bit_on_1st_bitmap(unsigned long long pfn, struct cycle *cycle);
-int clear_bit_on_1st_bitmap(unsigned long long pfn, struct cycle *cycle);
+int set_bit_on_1st_bitmap(mdf_pfn_t pfn, struct cycle *cycle);
+int clear_bit_on_1st_bitmap(mdf_pfn_t pfn, struct cycle *cycle);
 
 #ifdef __x86__
 
@@ -1759,7 +1761,7 @@ struct elf_prstatus {
 /*
  * Function Prototype.
  */
-unsigned long long get_num_dumpable_cyclic(void);
+mdf_pfn_t get_num_dumpable_cyclic(void);
 int get_loads_dumpfile_cyclic(void);
 int initial_xen(void);
 unsigned long long get_free_memory_size(void);
diff --git a/sadump_info.c b/sadump_info.c
index f14ffc9..9434ff7 100644
--- a/sadump_info.c
+++ b/sadump_info.c
@@ -94,7 +94,7 @@ static int read_device_diskset(struct sadump_diskset_info 
*sdi, void *buf,
                               size_t bytes, ulong *offset);
 static int read_sadump_header(char *filename);
 static int read_sadump_header_diskset(int diskid, struct sadump_diskset_info 
*sdi);
-static unsigned long long pfn_to_block(unsigned long long pfn);
+static unsigned long long pfn_to_block(mdf_pfn_t pfn);
 static int lookup_diskset(unsigned long long whole_offset, int *diskid,
                          unsigned long long *disk_offset);
 static int max_mask_cpu(void);
@@ -202,7 +202,8 @@ sadump_copy_1st_bitmap_from_memory(void)
         * modify bitmap accordingly.
         */
        if (si->kdump_backed_up) {
-               unsigned long long paddr, pfn, backup_src_pfn;
+               unsigned long long paddr;
+               mdf_pfn_t pfn, backup_src_pfn;
 
                for (paddr = si->backup_src_start;
                     paddr < si->backup_src_start + si->backup_src_size;
@@ -754,7 +755,8 @@ sadump_initialize_bitmap_memory(void)
        struct sadump_header *sh = si->sh_memory;
        struct dump_bitmap *bmp;
        unsigned long dumpable_bitmap_offset;
-       unsigned long long section, max_section, pfn;
+       unsigned long long section, max_section;
+       mdf_pfn_t pfn;
        unsigned long long *block_table;
 
        dumpable_bitmap_offset =
@@ -901,7 +903,7 @@ sadump_set_timestamp(struct timeval *ts)
        return TRUE;
 }
 
-unsigned long long
+mdf_pfn_t
 sadump_get_max_mapnr(void)
 {
        return si->sh_memory->max_mapnr;
@@ -951,7 +953,8 @@ failed:
 int
 readpage_sadump(unsigned long long paddr, void *bufptr)
 {
-       unsigned long long pfn, block, whole_offset, perdisk_offset;
+       mdf_pfn_t pfn;
+       unsigned long long block, whole_offset, perdisk_offset;
        int fd_memory;
 
        if (si->kdump_backed_up &&
@@ -1117,7 +1120,7 @@ sadump_check_debug_info(void)
 }
 
 static unsigned long long
-pfn_to_block(unsigned long long pfn)
+pfn_to_block(mdf_pfn_t pfn)
 {
        unsigned long long block, section, p;
 
diff --git a/sadump_info.h b/sadump_info.h
index c0175dd..131687a 100644
--- a/sadump_info.h
+++ b/sadump_info.h
@@ -42,7 +42,7 @@ int sadump_copy_1st_bitmap_from_memory(void);
 int sadump_initialize_bitmap_memory(void);
 int sadump_num_online_cpus(void);
 int sadump_set_timestamp(struct timeval *ts);
-unsigned long long sadump_get_max_mapnr(void);
+mdf_pfn_t sadump_get_max_mapnr(void);
 int readpage_sadump(unsigned long long paddr, void *bufptr);
 int sadump_check_debug_info(void);
 int sadump_generate_vmcoreinfo_from_vmlinux(size_t *vmcoreinfo_size);
@@ -92,7 +92,7 @@ static inline int sadump_set_timestamp(struct timeval *ts)
        return FALSE;
 }
 
-static inline unsigned long long sadump_get_max_mapnr(void)
+static inline mdf_pfn_t sadump_get_max_mapnr(void)
 {
        return 0;
 }
-- 
1.8.4.5

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