}
/*
* Current memory layout:
- * +- 0 -------------+ +- shadow start -+
- * | 1:1 ram mapping | /| 1/8 ram |
- * | | / | |
- * +- end of ram ----+ / +----------------+
- * | ... gap ... | / | |
- * | |/ | kasan |
- * +- shadow start --+ | zero |
- * | 1/8 addr space | | page |
- * +- shadow end -+ | mapping |
- * | ... gap ... |\ | (untracked) |
- * +- vmalloc area -+ \ | |
- * | vmalloc_size | \ | |
- * +- modules vaddr -+ \ +----------------+
- * | 2Gb | \| unmapped | allocated per module
- * +-----------------+ +- shadow end ---+
+ * +- 0 -------------+ +- shadow start -+
+ * |1:1 ident mapping| /|1/8 of ident map|
+ * | | / | |
+ * +-end of ident map+ / +----------------+
+ * | ... gap ... | / | kasan |
+ * | | / | zero page |
+ * +- vmalloc area -+ / | mapping |
+ * | vmalloc_size | / | (untracked) |
+ * +- modules vaddr -+ / +----------------+
+ * | 2Gb |/ | unmapped | allocated per module
+ * +- shadow start -+ +----------------+
+ * | 1/8 addr space | | zero pg mapping| (untracked)
+ * +- shadow end ----+---------+- shadow end ---+
*
* Current memory layout (KASAN_VMALLOC):
- * +- 0 -------------+ +- shadow start -+
- * | 1:1 ram mapping | /| 1/8 ram |
- * | | / | |
- * +- end of ram ----+ / +----------------+
- * | ... gap ... | / | kasan |
- * | |/ | zero |
- * +- shadow start --+ | page |
- * | 1/8 addr space | | mapping |
- * +- shadow end -+ | (untracked) |
- * | ... gap ... |\ | |
- * +- vmalloc area -+ \ +- vmalloc area -+
- * | vmalloc_size | \ |shallow populate|
- * +- modules vaddr -+ \ +- modules area -+
- * | 2Gb | \|shallow populate|
- * +-----------------+ +- shadow end ---+
+ * +- 0 -------------+ +- shadow start -+
+ * |1:1 ident mapping| /|1/8 of ident map|
+ * | | / | |
+ * +-end of ident map+ / +----------------+
+ * | ... gap ... | / | kasan zero page| (untracked)
+ * | | / | mapping |
+ * +- vmalloc area -+ / +----------------+
+ * | vmalloc_size | / |shallow populate|
+ * +- modules vaddr -+ / +----------------+
+ * | 2Gb |/ |shallow populate|
+ * +- shadow start -+ +----------------+
+ * | 1/8 addr space | | zero pg mapping| (untracked)
+ * +- shadow end ----+---------+- shadow end ---+
*/
/* populate kasan shadow (for identity mapping and zero page mapping) */
kasan_early_pgtable_populate(__sha(0), __sha(memsize), POPULATE_MAP);