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Diffstat (limited to 'arch/powerpc/mm/ptdump/ptdump.c')
-rw-r--r--arch/powerpc/mm/ptdump/ptdump.c22
1 files changed, 3 insertions, 19 deletions
diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c
index aca354fb670b..5062c58b1e5b 100644
--- a/arch/powerpc/mm/ptdump/ptdump.c
+++ b/arch/powerpc/mm/ptdump/ptdump.c
@@ -58,8 +58,6 @@ struct pg_state {
const struct addr_marker *marker;
unsigned long start_address;
unsigned long start_pa;
- unsigned long last_pa;
- unsigned long page_size;
unsigned int level;
u64 current_flags;
bool check_wx;
@@ -163,8 +161,6 @@ static void dump_flag_info(struct pg_state *st, const struct flag_info
static void dump_addr(struct pg_state *st, unsigned long addr)
{
- unsigned long delta;
-
#ifdef CONFIG_PPC64
#define REG "0x%016lx"
#else
@@ -172,14 +168,8 @@ static void dump_addr(struct pg_state *st, unsigned long addr)
#endif
pt_dump_seq_printf(st->seq, REG "-" REG " ", st->start_address, addr - 1);
- if (st->start_pa == st->last_pa && st->start_address + st->page_size != addr) {
- pt_dump_seq_printf(st->seq, "[" REG "]", st->start_pa);
- delta = st->page_size >> 10;
- } else {
- pt_dump_seq_printf(st->seq, " " REG " ", st->start_pa);
- delta = (addr - st->start_address) >> 10;
- }
- pt_dump_size(st->seq, delta);
+ pt_dump_seq_printf(st->seq, " " REG " ", st->start_pa);
+ pt_dump_size(st->seq, (addr - st->start_address) >> 10);
}
static void note_prot_wx(struct pg_state *st, unsigned long addr)
@@ -208,7 +198,6 @@ static void note_page_update_state(struct pg_state *st, unsigned long addr,
st->current_flags = flag;
st->start_address = addr;
st->start_pa = pa;
- st->page_size = page_size;
while (addr >= st->marker[1].start_address) {
st->marker++;
@@ -220,7 +209,6 @@ static void note_page(struct pg_state *st, unsigned long addr,
unsigned int level, u64 val, unsigned long page_size)
{
u64 flag = val & pg_level[level].mask;
- u64 pa = val & PTE_RPN_MASK;
/* At first no level is set */
if (!st->level) {
@@ -232,12 +220,9 @@ static void note_page(struct pg_state *st, unsigned long addr,
* - we change levels in the tree.
* - the address is in a different section of memory and is thus
* used for a different purpose, regardless of the flags.
- * - the pa of this page is not adjacent to the last inspected page
*/
} else if (flag != st->current_flags || level != st->level ||
- addr >= st->marker[1].start_address ||
- (pa != st->last_pa + st->page_size &&
- (pa != st->start_pa || st->start_pa != st->last_pa))) {
+ addr >= st->marker[1].start_address) {
/* Check the PTE flags */
if (st->current_flags) {
@@ -259,7 +244,6 @@ static void note_page(struct pg_state *st, unsigned long addr,
*/
note_page_update_state(st, addr, level, val, page_size);
}
- st->last_pa = pa;
}
static void walk_pte(struct pg_state *st, pmd_t *pmd, unsigned long start)