Commit cd91b2fe authored by Kees Cook's avatar Kees Cook Committed by Russell King

ARM: 7963/1: mm: report both sections from PMD

On 2-level page table systems, the PMD has 2 section entries. Report
these, otherwise ARM_PTDUMP will miss reporting permission changes on
odd section boundaries.
Signed-off-by: default avatarKees Cook <keescook@chromium.org>
Acked-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Tested-by: default avatarSteve Capper <steve.capper@linaro.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 39544ac9
...@@ -264,6 +264,9 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start) ...@@ -264,6 +264,9 @@ static void walk_pmd(struct pg_state *st, pud_t *pud, unsigned long start)
note_page(st, addr, 3, pmd_val(*pmd)); note_page(st, addr, 3, pmd_val(*pmd));
else else
walk_pte(st, pmd, addr); walk_pte(st, pmd, addr);
if (SECTION_SIZE < PMD_SIZE && pmd_large(pmd[1]))
note_page(st, addr + SECTION_SIZE, 3, pmd_val(pmd[1]));
} }
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment