Use get_page over get_next_page for tracecmd_read_at

The capturing of a page with tracecmd_read_at was a hack that used
get_next_page by forcing the index to the previous page. Now that we
have a more generic get_page, this patch changes tracecmd_read_at to
use that.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 1 insertions, 7 deletions

diff --git a/trace-input.c b/trace-input.c
index cacc136..681da4a 100644
--- a/trace-input.c
+++ b/trace-input.c
@@ -724,20 +724,14 @@ find_and_read_event(struct tracecmd_input *handle, unsigned long long offset,
                 /*
                  * If a page already exists, then we need to reset
                  * it to point to the page with the data we want.
-                 * We update the pointers to point to the previous
-                 * page, and call get_next_page which will mmap
-                 * the next page after the pointer of the previous
-                 * page we want. Which ends up mapping the page we want.
                  */
 
-                page_offset -= handle->page_size;
-
                 handle->cpu_data[cpu].offset = page_offset;
                 handle->cpu_data[cpu].size = (handle->cpu_data[cpu].file_offset +
                                               handle->cpu_data[cpu].file_size) -
                                                 page_offset;
 
-                if (get_next_page(handle, cpu))
+                if (get_page(handle, cpu, page_offset))
                         return NULL;
         } else {
                 /*